title: How to search multiple words in one field on solr?
body: <p>I have a field in solr of type list of texts.</p>
  
  <pre><code>field1:{"key1:val1,key2:val2,key3:val3", "key1:val1,key2:val2"}
  </code></pre>
  
  <p>I want to form a query such that when I search for <code>key1:val1 and key3:val3</code> I get the result who has both the strings i.e <code>key1:val1 and key3:val3</code>.</p>
  
  <p>How shall I form the query?</p>