But I hope to find better alternative. Its got to the point that I started to consider useing drugs. But I hope to find better alternative. Tomas, let's get something straight. No amount of muscle is worth the health risks involved in taking anabolic drugs.
Any alternative is a better alternative.
Get yourself on a brief, intense, well balanced routine and focus on progression and diet for the next twelve months. Given the chance to increase my volume or increase my frequency given the same intensity, I'd choose frequency every time. The best way to get that done is by training the whole body at each session. That is not to say that higher volume may be useful to some, especially advanced, lifters. It's one of those things you have to try out on your own.