Eat more and more. Sleep even more. Train 5 times a week and use creatine. Nitric Oxide,
Axis HT or Animal M Stak. Animal M Stak will seriously give you some great gains.
You have to realize that your genes may have something to say here. Big bones or not. But it will come slowly in time no matter what, but don't fall into the tempation to use steroids, it will destroy your body. Just train plain and simple, and train only basic lifts like squats, deadlifts and bench press, and triceps. Then you will grow some muscles!