Welcome to the forums, @Angelnxami. I’ve moved your post into this topic, as it is asking exactly the same question as you. (Please don’t interrupt another member’s thread to ask a new question of your own.)
I would also suggest you have a look around the Social Media category, as you’ll find similar questions have been asked before. For example:
How to increase facebook fan page likes or how to get relevant traffic?
How to increase daily active users of facebook page
http://www.sitepoint.com/community/t/how-do-i-increase-social-media-traffic/196261