Yeah, I think you might be overtraining a bit here however everyone is different. There is no way I would ever be able to work out legs on tuesday and thursday....I need at least 4 days rest before they are ready to go again.
try Monday: Chest/tri's
Tuesday: Legs
Wednesday: off
Thursday: Shoulders
Friday: Back/Bi's
Saturday and Sunday off
this is what has worked well for me to put on mass.....eat tons and tons. I think you probably just arent seeing results because you do not allow your body enough time to rebuild itself..... sometimes less is more. If you get in a good quality workout and feel like you gave it your all one time a week on each muscle group, I think youll start to see results
good luck bro, let us know how you are progressing, we're all here to help