Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
cam truc » cau truc, nam truc, lam truoc
su triet » ve triet
su tien » su kien, su hien, tu tieng
su viet » so viet
truc va » thuc va, thuc vat, trung va
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa
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 nang ma hoi. hieu ve cam truc 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 nang ma hoi. hieu ve cam truc va thanh tai ((((su triet) OR (su tien))) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ve cam truc va thanh tai ((((su triet) or (su tien))) or (su viet))*.