Try doing a lighter weight with your problem areas, just add two more sets.
Example.
Shoulders-
Overhead press- 5 sets x 12-8 reps (last set to failure)
Side Lateral raise-4 sets x 12-8 reps (last set to failure)
Front Lateral raise-4 sets x 12-8 reps (last set to failure)
Triceps-
Skull crushers- 3 sets x 10-8 reps
Bench or station dips- 3 sets to failure
EZ-bar close grip press-3 sets x 10-8 reps
Cable rope overhead extensions-3 sets to failure