How to boost exact match over multi match in elastic search

Question

I am running a following query to boost exact match over multi_match in elastic search. But, not getting the expected results.

My goal is to boost in following order: "java developer" > java AND developer > java OR developer

Can someone help in troubleshooting this? Need to know how do I give boost to match_phrase here and how to add remaining fields in match_phrase

"query": {
    "bool": {
      "must": [
        {
          "multi_match": {
            "query": "java developer",
            "fields": [
              "title",
              "content",
              "tags",
              "summary"
            ]
          }
        }
      ],
      "should": [
        {
          "match_phrase": {
            "title": "java developer"
          }
        },
        {
          "multi_match": {
            "query": "java developer",
            "fields": [
              "title",
              "content",
              "tags",
              "summary"
            ],
            "operator": "and",
            "boost": 4
          }
        }
      ]
    }
  }

Thanks so much for your help.

Answer 1

Here is what worked for me:

  "query": {
    "bool": {
      "must": [
        {
          "multi_match": {
            "query": "java developer",
            "fields": [
              "title",
              "content",
              "tags",
              "summary"
            ]
          }
        }
      ],
      "should": [
        {
          "multi_match": {
            "query": "java developer",
            "fields": [
              "title",
              "content",
              "tags",
              "summary"
            ],
            "type": "phrase",
            "boost": 10
          }
        },
        {
          "multi_match": {
            "query": "java developer",
            "fields": [
              "title",
              "content",
              "tags",
              "summary"
            ],
            "operator": "and",
            "boost": 4
          }
        }
      ]
    }
  }