Apart from what Jumma said, please look through the Getting Indexed FAQ and see what might apply. Or for that matter read this category, which has three topics with essentially the same title as yours on the first page alone.
That said, an obvious problem is that you don't seem to have a creator profile, so you don't appear in searches even when I search by your username. Did you tick the box in your settings (under Profile) that says you plan to develop and upload games?