Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
dia danh » dia ban, gia dinh
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ve nham » ve nha, ve cham
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky tang ma hoi. hieu ve nham thuc ((dia danh) or (va hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang ma hoi. hieu ve nham thuc ((dia danh) OR (va hanh)) vai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ma hoi. hieu ve nham thuc ((dia danh) or (va hanh)) vai cua triet*.