title: Get all Custom posts beginning with letter A
body: <p>I have a custom post type(event) with a custom taxonomies(event_countries).</p>
  
  <p><a href="http://educationgate.org/en/event_countries/united-arab-emirates/" rel="nofollow noreferrer">http://educationgate.org/en/event_countries/united-arab-emirates/</a></p>
  
  <p>I want to get all the custom posts that bening with the letter A.</p>
  
  <p>The issue is i want to get this through a url string.</p>
  
  <p>I have tried <a href="http://educationgate.org/en/event_countries/united-arab-emirates?orderby=title&amp;order=ASC&amp;s=A" rel="nofollow noreferrer">http://educationgate.org/en/event_countries/united-arab-emirates?orderby=title&amp;order=ASC&amp;s=A</a></p>
  
  <p>But this is going to the search page and show all posts.</p>
  
  <p>Can somebody help?</p>