A good CRS score is much needed for the express entry program. Here are some possible ways to improve your CRS score:
Fill your express entry profile completely. Consider all the possible factors because each can boost your CRS score at least a little.
Apply for provincial nomination program’
Get a job in the skilled category
Gain some Canadian work experience
If you have a spouse with a better profile than your, let him/her be the primary applicant
Try to improve your Language scores.
Hope these will help you improve your CRS scores and get the Canada PR through creating an Express Entry profile.