Filter for Multivalues field not working

Hi All,

I'm trying to filter a multivalued field from ES but unfortunately, it's not working.

GET/_search{
  "query": {
    "bool": {
      "must": {
        "multi_match": {
          "fields": [
            "title^3",
            "subTitle",
            "keywords",
            "pluralName"
          ],
          "query": "fake"
        }
      },
      "filter": {
        "terms": {
          "applicableDevices": [
            "BOV950",
            "SmartOven",
            "BMC800",
            "BOV900"
          ]
        }
      }
    }
  }
}

This is mapping in elasticsearch

"applicableDevices": {
          "type": "text",
          "fields": {
            "keyword": {
              "type": "keyword",
              "ignore_above": 256
            }
          }
        }

Tried a lot but didn't the expected output.

can you guide or let me know the mistakes, please.

Thanks in advance.

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