Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chao » van chat, van hao, van cho
su triet » su viet, su tien, ve triet
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
thai su » thai xu, tai su, thap su
su cac » tu cac, su cao, su can
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang ma hoi. hieu van chao xu ((va hanh) or (va danh)) thai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang ma hoi. hieu van chao xu ((va hanh) OR (va danh)) thai su triet.
• Adding a wildcard symbol may retrieve word variants: su cac ky nang ma hoi. hieu van chao xu ((va hanh) or (va danh)) thai su triet*.