Work on adding new content to your site often and continue working on links links links! It's a time game when your a new site. Use google analytics and work on keywords in additon to content and links and in time you will see improvement. Good Luck!
Well, if it's more than a year, definitely it has backlinks on google. But it seems that you can see any backlinks. Maybe google is in the process of updating backlinks. Do your site have PR already?