title: Query string in elastic search
body: <p>Am searching elastic search with the below match query, which is not giving me the exact match instead its giving some more irrevalant match also.</p>
  <p>am using elastic search 6.3</p>
  <p>Please find my query below</p>
  <pre><code>GET /_search
  {
     &quot;must&quot;:{
        &quot;query_string&quot;:{
           &quot;query&quot;:&quot;review:*test product*&quot;
        }
     }
  }
  </code></pre>
  <p>Search Result:</p>
  <p>&quot;hits&quot;: [ { &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;1&quot;, &quot;_score&quot;: 0.6931471, &quot;_source&quot;: { &quot;title&quot;: &quot;testing&quot; } }, { &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;2&quot;, &quot;_score&quot;: 0.6931471, &quot;_source&quot;: { &quot;title&quot;: &quot;product good&quot; } }, { &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;3&quot;, &quot;_score&quot;: 0.6931471, &quot;_source&quot;: { &quot;title&quot;: &quot;sample&quot; } },{ &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;4&quot;, &quot;_score&quot;: 0.7897571, &quot;_source&quot;: { &quot;title&quot;: &quot;superr&quot; } } ]</p>
  <p>Expected Search Result:</p>
  <p>&quot;hits&quot;: [ { &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;1&quot;, &quot;_score&quot;: 0.6931471, &quot;_source&quot;: { &quot;title&quot;: &quot;testing&quot; } }, { &quot;_index&quot;: &quot;67107104&quot;, &quot;_type&quot;: &quot;_doc&quot;, &quot;_id&quot;: &quot;2&quot;, &quot;_score&quot;: 0.6931471, &quot;_source&quot;: { &quot;title&quot;: &quot;product good&quot; } } ]</p>