Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
hieu van » hieu va, thien van, lieu va
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
cac xuc » cam xuc, chat xuc, cac cuoc
va danh » va dinh, va dan, va hanh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
ve ve » va ve, ke ve, ve ke

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 van ((cac xuc) OR (cac nuoc)) va danh ((ve ve) or (de ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang ma hoi. hieu van ((cac xuc) OR (cac nuoc)) va danh ((ve ve) OR (de ve)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky tang ma hoi. hieu van ((cac xuc) OR (cac nuoc)) va danh ((ve ve) or (de ve)) triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ma hoi. hieu van ((cac xuc) OR (cac nuoc)) va danh ((ve ve) or (de ve)) triet*.