{
      "filter": { "match": { "search_title": "iphone 6s" } },
                "script_score": {
                "params": {
                "possibility_rank": 4,
                "max_cat_rank": 5000,
                "max_prod_rank": 10000
                },
                "script": "return possibility_rank * (max_cat_rank + max_prod_rank)-(doc['category_rank'].value + doc['product_rank'].value)"
                }
              },

              {`enter code here`
      "filter": { "match": { "search_title": "apple" } },
                "script_score": {
                "params": {
                "possibility_rank": 3,
                "max_cat_rank": 5000,
                "max_prod_rank": 10000
                },
                "script": "return possibility_rank * (max_cat_rank + max_prod_rank)-(doc['category_rank'].value + doc['product_rank'].value)"
                }
              }
              ,

              {
      "filter": { "match": { "search_title": "iphone" } },
                "script_score": {
                "params": {
                "possibility_rank": 2,
                "max_cat_rank": 5000,
                "max_prod_rank": 10000
                },
                "script": "return possibility_rank * (max_cat_rank + max_prod_rank)-(doc['category_rank'].value + doc['product_rank'].value)"
                }
              },


              {
      "filter": { "match": { "search_title": "apple watch" } },
                "script_score": {
                "params": {
                "possibility_rank": 1,
                "max_cat_rank": 5000,
                "max_prod_rank": 10000
                },
                "script": "return possibility_rank * (max_cat_rank + max_prod_rank)-(doc['category_rank'].value + doc['product_rank'].value)"
                }
              }



          ],
                "score_mode": "sum"


     }
  }
}