Accutane and many more, but still aren't clear

Three Years ago, I went to my first dermatologist and he  prescribed me a topical retnoid. Didn't work.
Moved to another doctor and he prescribed me a combo of doryx 100mg, tazorac, and benzaclin.
Didn't work, he then switched me to solodyn, stronger tazorac and benzaclin.
Didn't work, he then put me on accutane. Went from 20mg to 80mg. Work while on it. 2 months after finishing, acne came back like a storm.  Went to a different dermatologist and he said that accutane weakens your bones so I shouldn't go on another dose. He gave me duac, doryx 150mg and differin.

Differin is said to break you out on certain conditions so I didnt use them.  I usually have pimples with pus and are often yellow. I have a lot of red marks, too hard to distinguise whether they are scars are pimples. I can tell I have both. I would like your opinion on what I am doing and what I should do. I am asian so I believe our skin is different.