Elasticsearch query time boosting produces result in inadequate order

Question

The ES search result for the given search keyword one two three seems to be wrong after applying boost feature per keyword. Please help me modifyin

Answer 1

# Index some test data
curl -XPUT "localhost:9200/test/doc/1" -d '{"title": "one"}'
curl -XPUT "localhost:9200/test/doc/2" -d '{"title": "two"}'
curl -XPUT "localhost:9200/test/doc/3" -d '{"title": "three"}'
curl -XPUT "localhost:9200/test/doc/4" -d '{"title": "one two"}'
curl -XPUT "localhost:9200/test/doc/5" -d '{"title": "one three"}'
curl -XPUT "localhost:9200/test/doc/6" -d '{"title": "one two three"}'
curl -XPUT "localhost:9200/test/doc/7" -d '{"title": "two three"}'
curl -XPUT "localhost:9200/test/doc/8" -d '{"title": "none"}'
curl -XPUT "localhost:9200/test/doc/9" -d '{"title": "one abc"}'
curl -XPUT "localhost:9200/test/doc/10" -d '{"title": "two abc"}'
curl -XPUT "localhost:9200/test/doc/11" -d '{"title": "three abc"}'
curl -XPUT "localhost:9200/test/doc/12" -d '{"title": "one two abc"}'
curl -XPUT "localhost:9200/test/doc/13" -d '{"title": "one two three abc"}'
curl -XPUT "localhost:9200/test/doc/14" -d '{"title": "two three abc"}'
# Make test data available for search
curl -XPOST "localhost:9200/test/_refresh?pretty"
# Search using function score
curl -XPOST "localhost:9200/test/doc/_search?pretty" -d'{
    "query": {
        "function_score": {
            "query": {
                "match": {
                    "title": "one two three"
                }
            },
            "functions": [
                {
                    "filter": {
                        "query": {
                            "match": {
                                "title": "one"
                            }
                        }
                    },
                    "weight": 1
                },
                {
                    "filter": {
                        "query": {
                            "match": {
                                "title": "two"
                            }
                        }
                    },
                    "weight": 2
                },
                {
                    "filter": {
                        "query": {
                            "match": {
                                "title": "three"
                            }
                        }
                    },
                    "weight": 3
                }
            ],
            "score_mode": "sum",
            "boost_mode": "replace"
        }
    },
    "sort": [
        {
            "_score": {
                "order": "desc"
            }
        }
    ],
    "from": "0",
    "size": "100"
}'