i am not very sure, but you can try to search up raws or just more chapters that continues to where you left off. if you cannot find any, it is most likely the manga is on very long hiatus or it has been dropped. usually storylines and novels take a while to come up with and publish so it may take time if it does continue. sorry, im not really much help; just sitting around bored, so i am just replying to comments. (●'◡'●)ノ
oh okay, if thats the problem, you can try to go to a japanese manga that has been translated to english. scroll down and try to find out who uploaded it; go to their message board and ask if they're a translater; if they reply with a positive answer, try requesting them the manga you want translated. if its a manga that is not so popular, it may most likely be declined. if you really want to read it, then try asking multiple people. if that doesnt work, its time you take it into your own hands and try google translating everything.
i too also want to read this one manhua that hasnt been uploading and researched and just ended up being lazy and had quit trying to desperately find chapters. :(
is there a way to request scanlation groups to continue a manga, especially if it's not super well known? i just started reading this:
https://www.mangago.zone/read-manga/bokura_wa_minna_shinde_iru/
today and it looks super promising and interesting, but unfortunately it hasn't been updated since 2018 :(