Combine multiple condition and sort by score

[hoangvnit (Hoang Le)]

When searching document by title and i using sort by _score, the results is good and document matched with search keyword.

But my document have score of its own. and when i using multiple sort ( qualityScore first and _score of elastics second ) . the results show qualityScore high first but title matched with search keyword not good.

how can i combine _score more than one condition?

Anyone have a idea please help me.
Thank advance.

This is my query

GET member-recipes/_search
{
  "sort": [
    {
      "qualityScore": {
        "order": "desc"
      }
    },
    "_score"
  ],
    "query": {
      "bool": { 
       "must": [
          { "match": {"title": "21-Day-Fix-Instant-Pot-Chicken-Marsala-Stove-top-896247"}}
        ]
      }
    }
}