FTFY:
a) <a href="http://www.google.com/trends/explore#q=express%20js%2C%20ruby%20on%20rails%2C%20&cmpt=q" rel="nofollow">http://www.google.com/trends/explore#q=express%20js%2C%20rub...</a>
b) <a href="http://www.google.com/trends/explore#q=javascript%2C%20ruby%2C%20&cmpt=q" rel="nofollow">http://www.google.com/trends/explore#q=javascript%2C%20ruby%...</a>