Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
hai tuc » thai tuc, hai cuc, thai thuc
va danh » va dinh, va dan, va hanh
danh va » doanh va, hanh va, anh va
ma hoi » xa hoi, me hoi, va hoi
va hai » van hai, va chai, va khai
tuc va » thuc va, truc va, tuc xa
va cau » van cau, va cac, va dau
su hoi » su choi, su hai, lu hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su hoi ky nang ((((ma hoi) or (ma hoa))) or (mai hoi)). hieu va hai tuc va danh va cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su hoi ky nang ((((ma hoi) OR (ma hoa))) OR (mai hoi)). hieu va hai tuc va danh va cau treo.
• Adding a wildcard symbol may retrieve word variants: su hoi ky nang ((((ma hoi) or (ma hoa))) or (mai hoi)). hieu va hai tuc va danh va cau treo*.