Can we give internal from with very low content & non-ranking page to the MAIN PAGE

I run a website related to "digital marketing," but recently, my site has experienced a significant drop in ranking. Could you please help me understand the pot...

I have some landings which rank for keywords only on 20+ positions. Those pages appear in search results, but the user doesn't see them as they are on 3-5 pages on Google...

My website https://domain.hidden ranks good for > paid csgo cheats but not so good for > free csgo cheats How can I improve this? Many Thanks

An quality backlinks is built through trusted sources and websites for google better ranking.