title: How to specify multiple values on siteSearch in google custom search api?
body: <p>I'm using the google custom search api and want to create a search using the siteSearch:</p>
  
  <pre><code>https://www.googleapis.com/customsearch/v1?key=k&amp;cx=cx&amp;q=cocos2d&amp;siteSearch=www.cocos2d-iphone.org&amp;siteSearchFilter=i
  
  and it works fine (returns all the result only from the given site).
  
  Then I want to specify TWO sites to search so I tried to change the :
  siteSearch=www.cocos2d-iphone.org
  
  to 
  siteSearch=www.cocos2d-iphone.org www.XXXXXXXX.org
  siteSearch=www.cocos2d-iphone.org|www.XXXXXXXX.org
  siteSearch=www.cocos2d-iphone.org||www.XXXXXXXX.org
  
  but none of these works.
  
  hope someone can help here, thanks:)
  </code></pre>