title: How do you implement a "Did you mean"?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/307291/how-does-the-google-did-you-mean-algorithm-work">How does the Google “Did you mean?” Algorithm work?</a>  </p>
  </blockquote>
  
  
  
  <p>Suppose you have a search system already in your website. How can you implement the "Did you mean:<code>&lt;spell_checked_word&gt;</code>" like Google does in some <a href="http://www.google.com/search?hl=en&amp;q=spellling&amp;btnG=Search" rel="noreferrer">search queries</a>?</p>