Help my search results for a literature review (SLR) have changed

r/

Hi can someone help & advice please? My search results keep changing? Vast difference between the results for a search dome 3 years age & one done recently (’24 end) on Scopus both times

Even filtered by A and A* there are about 150 papers’ in the first search not shown in second search

What should I do, ignore the missing papers? (like why haven’t they appeared in recent list?)

This is so frustrating. Help please