Perhaps you should try some spelling variations:
hieu quan » lieu quan, thien quan, lien quan
ve triet » va trien, su triet
va danh » va dinh, va hanh, dia danh
cau tuc » cau truc, cau tu, cau luc
sang ky » sang kyo, dang ky, tang ky
te sang » te bang, te hang, te san
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dao, va dau
ve ve » de ve, va ve, ke ve

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 tang ma hoi. ((hieu quan) or (hieu qua)) cau tuc ((va danh) or (va dan)) ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sang ky tang ma hoi. ((hieu quan) OR (hieu qua)) cau tuc ((va danh) OR (va dan)) ve ve triet.
• Adding a wildcard symbol may retrieve word variants: te sang ky tang ma hoi. ((hieu quan) or (hieu qua)) cau tuc ((va danh) or (va dan)) ve ve triet*.