Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
su triet » ve triet
va thanh » gia thanh, ban thanh, va tinh
su viet » so viet
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
su tien » su kien, su hien, tu tieng
cam tuc » cam xuc, cam tu, nam thuc
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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 cam tuc va thanh tai ((((su triet) or (su tien))) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang ma hoi. hieu ve cam tuc va thanh tai ((((su triet) OR (su tien))) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ma hoi. hieu ve cam tuc va thanh tai ((((su triet) or (su tien))) or (su viet))*.