Increased the score from 730 to 770, Help Needed

So I finally took my 3rd official mock exam, scored 770 44V and 50Q.
In the last exam, I scored 730 40V and 50Q.

This time I made 4 mistakes in verbal part, all of them in SC, mostly after 16 questions (so first 16 answers) were all correct.
Last time, I made 6 mistakes in Verbal, 1 RC, 5 SC (3 of them within 10 questions).

So In order to replicate the same result on the actual exam (not online), I need to further advance my SC skills, as I can't assume that I will not miss any RC or CR questions there. Also, I need to advance my quant skills, as real exam tends to be harder as people claim.

After consuming GMATNinja materials, for which I am grateful for, I decided to read TTP SC lessons, what can else be done In my position to further hone SC skills?

Also in Quant, what should I do to make sure my 50Q won't deteriorate on the actual exam? I thought I might go through Bunuel hard questions, but the materials are scattered and I was unable to gather all Bunuels Hard question collection

I have less than 6 weeks left, please correct me if my action plan is suboptimal