I've been following the following schedule for two years or more. I feel like i got stuck and see no progress like i did before. Help me to adjust my schedule, goal is to get big muscles. Any advice? Thank you.

Monday: Chest / Bicep 8-10 reps 3-4 set on everything.
Incline bench press
Bench press
Incline flies
Bicep curls
Barbell curls
Machine bicep curls

Tuesday: Legs
Squats
Leg press
Leg extensions
Leg curls

Thursday: Shoulders / Triceps
Shoulder press with barbell
Upright rows
Front raises
Close grip bench
Pulldowns
Skullcrushers
Tricep machine

Wednesday: Back
Chin ups
lat pulldowns
deadlifts
machine rows
hyperextensions

On Friday i do random stuff, like running etc.