title: Curl 400 error when call yahoo search result
body: <p>I am scraping yahoo search results  <br/>.i got yahoo search form action  <br/><a href="http://search.yahoo.com/search?toggle=1&amp;cop=mss&amp;ei=UTF-8&amp;.tsrc=yfp-t-&amp;p=bollywood%20songs" rel="nofollow noreferrer">yahoo search result</a>  <br/></p>
  <p>but when i call using curl its give 400 error why?  <br/>
  but this url in web browser working fine. please help me.  <br/></p>