How come nobody's interested in joining new các câu lạc bộ on this site?

People might not know about the club yet. Others might know about it but might not be interested in its topic, so they don't join. The best bet is to quảng cáo the club in related clubs, bringing to people's attention. Members aren't automatically made aware of all new clubs, so unless they're advertised hoặc people look for that subject, they won't find them.

People need to quảng cáo their club to get people's interest. And everybody has different interests. bạn need to have patience.