do you see any progress in term of muscle size during those 6 months?

You want to push more for muscle definition but you don't want to bulk? How would you have more muscle if you didn't bulk?

Here's the thing man. I was a newb like you prolly around 1 1/2 years ago but I didn't start as bad as you (no offence) cause I read a lot everyday acquiring knowledges because I didn't know shit about weightlifting.

If you can't event list out the exercises that you've done (the exact name), how can you even know what's the function of all the 4 supps you've been taking? Until my 1st year of BB then I took a supps, and it is creatine.

Here's my advice. Reset for what you've done for the whole 6 months. Learn about Stronglifts 5x5, learn about nutrition (refer to my signature).

That is all the advice that you can get at the moment.