How to stop door knob latch from twisting and sticking on strike plate?
The locks appear to be worn out. If these are just inexpensive builder's grade door locks, replace them.

You then get to decide whether you want knobs or lever handles. We opted for levers and these have worked well for the bedroom and bathroom doors because they are recessed from the hallway. We also used a lever handle on the HVAC closet in the hallway which was a mistake because it is flush with the wall and is an interference.