A CodePen by Gal Bracha.

index.html

Try searching for 'here' usually you won't find it with normal Chosen.<br>
My fork that splits by '-' char you can find it. Try it out
<br><br><br>


<select id="chosen">
  <option>search-with-some-more-info</option>
  <option>you-can-search-any-string-in-here</option>
  <option>this is a result</option>
  <option>this-is-a-result</option>
</select>


<br><br><br>
Fork is here:
<a href='https://raw.github.com/rootux/chosen/'>https://raw.github.com/rootux/chosen/</a>

script.js

$().ready(function() {
  $('#chosen').chosen();
});

style.css

#chosen {
 width: 300px; 
}