Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
te sang » te bang, te hang, te san
sang ky » sang kyo, dang ky, tang ky
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sang ky nang x hoi. hieu ((va cam) or (cao chat)) truc va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sang ky nang x hoi. hieu ((va cam) OR (cao chat)) truc va hanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sang ky nang x hoi. hieu ((va cam) or (cao chat)) truc va hanh dai cua triet*.