title: Elasticsearch query not giving exact match
body: <p>Am searching elasticsearch 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 elasticsearch 6.2.3</p>
  
  <p>Please find my query below</p>
  
  <pre><code>get items/_search
  {
     "query" : {
        "match" : {
           "code" : "7000-8900"
        }
     }
  }
  </code></pre>
  
  <p>Please find the response am getting it from <code>match</code> query</p>
  
  <pre><code>7000-8900
  7000-8002-WK
  7000-8002-W
  </code></pre>