diff --git a/src/analyzer/index.tsx b/src/analyzer/index.tsx
index fe43f16..18c31be 100644
--- a/src/analyzer/index.tsx
+++ b/src/analyzer/index.tsx
@@ -93,7 +93,7 @@ function Analyzer() {
           </Grid>
         </Grid>
         <Grid item xs={12}>
-          <div style={{ height: "550px" }} class="ag-theme-alpine">
+          <div style={{ height: "750px" }} class="ag-theme-alpine">
             <AgGridSolid
               ref={gridRef}
               defaultColDef={gridService.defaultColDef}
@@ -102,7 +102,6 @@ function Analyzer() {
               getRowId={(params) => params.data.id}
               getRowStyle={getRowStyle}
               enableCellTextSelection={true}
-              // ensureDomOrder={true}
             />
           </div>
         </Grid>
diff --git a/src/analyzer/useViewModel.test.tsx b/src/analyzer/useViewModel.test.tsx
index b0bcc92..d139f09 100644
--- a/src/analyzer/useViewModel.test.tsx
+++ b/src/analyzer/useViewModel.test.tsx
@@ -91,6 +91,18 @@ describe("useViewModel", () => {
           [Processor.logKeys.fullData]: "test one two four",
           [Processor.logKeys.msg]: "test one two four",
         },
+        {
+          [Processor.logKeys.id]: "23",
+          [Processor.logKeys.timestamp]: "2023-10-20T10:00:00.000Z",
+          [Processor.logKeys.fullData]: "test one two contains check four",
+          [Processor.logKeys.msg]: "test one two contains check four",
+        },
+        {
+          [Processor.logKeys.id]: "24",
+          [Processor.logKeys.timestamp]: "2023-10-20T10:00:00.000Z",
+          [Processor.logKeys.fullData]: "test one two ands check four",
+          [Processor.logKeys.msg]: "test one two ands check four",
+        },
         {
           [Processor.logKeys.id]: "30",
           [Processor.logKeys.timestamp]: "2023-10-20T12:00:00.000Z",
@@ -100,6 +112,8 @@ describe("useViewModel", () => {
       ];
 
       vi.spyOn(Processor, "isErrorLog")
+        .mockReturnValueOnce(true)
+        .mockReturnValueOnce(true)
         .mockReturnValueOnce(true)
         .mockReturnValueOnce(true)
         .mockReturnValueOnce(false);
@@ -110,14 +124,39 @@ describe("useViewModel", () => {
         startTime: "2023-10-20T01:00:00.000Z",
         endTime: "2023-10-20T11:00:00.000Z",
         errorsOnly: true,
-        logs: [comparer.last().logs[0], comparer.last().logs[1]],
+        logs: [
+          comparer.last().logs[1],
+          comparer.last().logs[2],
+          comparer.last().logs[3],
+          comparer.last().logs[4],
+        ],
         regex: "^tes.*our$",
+        terms: [
+          {
+            and: true,
+            contains: true,
+            value: "ands",
+          },
+          {
+            and: true,
+            contains: false,
+            value: "msg",
+          },
+          {
+            and: false,
+            contains: true,
+            value: "check",
+          },
+        ],
       };
 
       const vm = useViewModel();
       vm.handleFiltersChange(filters);
 
-      expect(vm.rows(), "rows").toEqual([comparer.last().logs[1]]);
+      expect(vm.rows(), "rows").toEqual([
+        comparer.last().logs[2],
+        comparer.last().logs[3],
+      ]);
       expect(vm.timeJumps().prevDisabled, "prevDisabled").toEqual(true);
       expect(vm.timeJumps().nextDisabled, "nextDisabled").toEqual(false);
 
@@ -133,22 +172,27 @@ describe("useViewModel", () => {
         {
           [Processor.logKeys.id]: "1",
           [Processor.logKeys.timestamp]: "2023-10-20T08:00:00.000Z",
+          [Processor.logKeys.fullData]: "json string 1",
         },
         {
           [Processor.logKeys.id]: "2",
           [Processor.logKeys.timestamp]: "2023-10-20T10:00:00.000Z",
+          [Processor.logKeys.fullData]: "json string 2",
         },
         {
           [Processor.logKeys.id]: "3",
           [Processor.logKeys.timestamp]: "2023-10-20T12:00:00.000Z",
+          [Processor.logKeys.fullData]: "json string 3",
         },
         {
           [Processor.logKeys.id]: "4",
           [Processor.logKeys.timestamp]: "2023-10-20T14:00:00.000Z",
+          [Processor.logKeys.fullData]: "json string 4",
         },
         {
           [Processor.logKeys.id]: "5",
           [Processor.logKeys.timestamp]: "2023-10-20T16:00:00.000Z",
+          [Processor.logKeys.fullData]: "json string 5",
         },
       ];
       vi.spyOn(comparer, "last").mockReturnValue(processor);
diff --git a/src/analyzer/useViewModel.tsx b/src/analyzer/useViewModel.tsx
index 51af8dd..a45b5d0 100644
--- a/src/analyzer/useViewModel.tsx
+++ b/src/analyzer/useViewModel.tsx
@@ -1,6 +1,9 @@
 import Processor, { JSONLogs } from "../models/processor";
 import { createSignal } from "solid-js";
-import { FiltersData } from "../components/filters/useViewModel";
+import type {
+  FiltersData,
+  SearchTerm,
+} from "../components/filters/useViewModel";
 import comparer from "../models/comparer";
 import stringsUtils from "../utils/strings";
 import filesUtils from "../utils/files";
@@ -48,13 +51,41 @@ function useViewModel() {
       if (keep && filtersData.errorsOnly) {
         keep = Processor.isErrorLog(log);
       }
+
+      const fullData = log[Processor.logKeys.fullData].toLowerCase();
       if (keep && filtersData.regex) {
-        keep = stringsUtils.regexMatch(
-          log[Processor.logKeys.fullData],
-          filtersData.regex
-        );
+        keep = stringsUtils.regexMatch(fullData, filtersData.regex);
+      }
+      if (keep && filtersData.terms) {
+        const ands = filtersData.terms.filter((t) => t.and);
+        let currCondition = true;
+        const updateCurrCondition = (term: SearchTerm) => {
+          const val = term.value.trim();
+          if (val) {
+            currCondition = term.contains
+              ? fullData.includes(val)
+              : !fullData.includes(val);
+          }
+        };
+
+        for (const term of ands) {
+          if (!currCondition) break;
+          updateCurrCondition(term);
+        }
+
+        if (!currCondition) {
+          const ors = filtersData.terms.filter((t) => !t.and);
+
+          for (const term of ors) {
+            if (currCondition) break;
+            updateCurrCondition(term);
+          }
+        }
+
+        keep = currCondition;
       }
 
+      // Update time jumps
       if (keep) {
         const id = log[Processor.logKeys.id];
         const time = new Date(log[Processor.logKeys.timestamp]);
diff --git a/src/components/filters/index.tsx b/src/components/filters/index.tsx
index bda61e0..a66b096 100644
--- a/src/components/filters/index.tsx
+++ b/src/components/filters/index.tsx
@@ -8,12 +8,26 @@ import {
   TextField,
   Typography,
 } from "@suid/material";
-import useViewModel, { type FiltersProps } from "./useViewModel";
+import useViewModel, {
+  type SearchTerm,
+  type FiltersProps,
+} from "./useViewModel";
 import AgGridSolid, { type AgGridSolidRef } from "ag-grid-solid";
 import type { GridOptions } from "ag-grid-community";
 import { GroupedMsg } from "../../models/processor";
-import { Show } from "solid-js";
+import { type Accessor, For, Show } from "solid-js";
 import comparer from "../../models/comparer";
+import { Select } from "@thisbeyond/solid-select";
+import { IconButton } from "@suid/material";
+import AddIcon from "@suid/icons-material/Add";
+import RemoveIcon from "@suid/icons-material/Remove";
+
+const texts = {
+  and: "AND",
+  or: "OR",
+  contains: "Contains",
+  notContains: "Not Contains",
+};
 
 function Filters(props: FiltersProps) {
   let topMsgsGridRef = {} as AgGridSolidRef;
@@ -29,6 +43,7 @@ function Filters(props: FiltersProps) {
     handleLogsSelectionChanged,
     handleErrorsOnlyChange,
     handleResetClick,
+    handleNewSearchTerm,
   } = useViewModel(props);
 
   const commonGridOptions: GridOptions<GroupedMsg> = {
@@ -72,6 +87,7 @@ function Filters(props: FiltersProps) {
       { ...commonGridOptions.columnDefs![1] },
     ],
     rowSelection: undefined,
+    onSelectionChanged: undefined,
   };
 
   function handleEnterKey(e: KeyboardEvent) {
@@ -80,6 +96,33 @@ function Filters(props: FiltersProps) {
     }
   }
 
+  function getSimpleSearchHTML(term: SearchTerm, i: Accessor<number>) {
+    return (
+      <>
+        <Select
+          class="app-select"
+          options={[texts.and, texts.or]}
+          initialValue={term.and ? texts.and : texts.or}
+          onChange={(val) => setFilters("terms", i(), "and", val === texts.and)}
+        />
+        <Select
+          class="app-select"
+          options={[texts.contains, texts.notContains]}
+          initialValue={term.contains ? texts.contains : texts.notContains}
+          onChange={(val) =>
+            setFilters("terms", i(), "contains", val === texts.contains)
+          }
+        />
+        <TextField
+          label="value"
+          value={term.value}
+          onChange={(_, val) => setFilters("terms", i(), "value", val)}
+          onKeyDown={handleEnterKey}
+        />
+      </>
+    );
+  }
+
   return (
     <Grid container spacing={2}>
       <Grid item xs={12}>
@@ -102,6 +145,16 @@ function Filters(props: FiltersProps) {
             onChange={(_, val) => setFilters("regex", val)}
             onKeyDown={handleEnterKey}
           />
+          <For each={filters.terms}>{getSimpleSearchHTML}</For>
+          <IconButton color="primary" onClick={() => handleNewSearchTerm(true)}>
+            <AddIcon />
+          </IconButton>
+          <IconButton
+            color="warning"
+            onClick={() => handleNewSearchTerm(false)}
+          >
+            <RemoveIcon />
+          </IconButton>
         </Stack>
       </Grid>
       <Grid item xs={12}>
diff --git a/src/components/filters/useViewModel.test.tsx b/src/components/filters/useViewModel.test.tsx
index ed4ceb7..0fc9ce2 100644
--- a/src/components/filters/useViewModel.test.tsx
+++ b/src/components/filters/useViewModel.test.tsx
@@ -42,6 +42,13 @@ describe("useViewModel", () => {
     startTime: "",
     endTime: "",
     regex: "",
+    terms: [
+      {
+        and: true,
+        contains: true,
+        value: "",
+      },
+    ],
     logs: [],
     errorsOnly: false,
   };
@@ -188,4 +195,26 @@ describe("useViewModel", () => {
       });
     });
   });
+
+  test("handleNewSearchTerm", () => {
+    createRoot((dispose) => {
+      const vm = useViewModel(props);
+      const original = [...vm.filters.terms];
+
+      vm.handleNewSearchTerm(true);
+      expect(vm.filters.terms, "term added").toEqual([
+        ...original,
+        {
+          and: true,
+          contains: true,
+          value: "",
+        },
+      ]);
+
+      vm.handleNewSearchTerm(false);
+      expect(vm.filters.terms, "term removed").toEqual(original);
+
+      dispose();
+    });
+  });
 });
diff --git a/src/components/filters/useViewModel.tsx b/src/components/filters/useViewModel.tsx
index bc3a3e4..354ff95 100644
--- a/src/components/filters/useViewModel.tsx
+++ b/src/components/filters/useViewModel.tsx
@@ -9,10 +9,17 @@ interface FiltersProps {
   onFiltersChange: (filters: FiltersData) => void;
 }
 
+interface SearchTerm {
+  and: boolean;
+  contains: boolean;
+  value: string;
+}
+
 interface FiltersData {
   startTime: string;
   endTime: string;
   regex: string;
+  terms: SearchTerm[];
   logs: JSONLogs;
   errorsOnly: boolean;
 }
@@ -22,6 +29,13 @@ function defaultFilters(): FiltersData {
     startTime: "",
     endTime: "",
     regex: "",
+    terms: [
+      {
+        and: true,
+        contains: true,
+        value: "",
+      },
+    ],
     logs: [],
     errorsOnly: false,
   };
@@ -75,6 +89,19 @@ function useViewModel(props: FiltersProps) {
     handleFiltersChange();
   }
 
+  function handleNewSearchTerm(isAddition: boolean) {
+    if (isAddition) {
+      setFilters("terms", filters.terms.length, {
+        and: true,
+        contains: true,
+        value: "",
+      });
+      return;
+    }
+
+    setFilters("terms", filters.terms.slice(0, -1));
+  }
+
   return {
     filters,
     topLogs,
@@ -85,8 +112,9 @@ function useViewModel(props: FiltersProps) {
     handleLogsSelectionChanged,
     handleErrorsOnlyChange,
     handleResetClick,
+    handleNewSearchTerm,
   };
 }
 
 export default useViewModel;
-export type { FiltersData, FiltersProps };
+export type { SearchTerm, FiltersData, FiltersProps };