Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
doi cua » dai cua, hoi cua
te cac » tu cac, ve cac, te cao
ma hoi » xa hoi, ma hoa, me hoi
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky nang ((ma hoi) or (mai hoi)). hieu va cao tuc ((le thanh) or (ban thanh)) doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang ((ma hoi) OR (mai hoi)). hieu va cao tuc ((le thanh) OR (ban thanh)) doi cua triet.
• Adding a wildcard symbol may retrieve word variants: te cac ky nang ((ma hoi) or (mai hoi)). hieu va cao tuc ((le thanh) or (ban thanh)) doi cua triet*.