Post in here with a link to your steamID/profile thing if you have Dota2. That way rather than being dropped into teams that have no idea what they are doing. You can be dropped into teams that have no idea what they are doing with people from here :) Alternatively, we may stomp some people or if you're learning the game, we'd be happy to help out.
Best way to find people will be to join the gon dota2 steam group
Bot games will teach you the basics of laning and the early game. Once you've got them under control then you can worry about all the complexities of the mid game and late game vs real people. Bots tend to do badly at the midgame/lategame.