Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ve triet » va trien, su triet
duoc gia » duoc giao, quoc gia, duc gia
sang mai » sang ma, sang tai, lang mai
lam duoc » nam duoc, luat duoc, lam thuoc
sach ky » sac ky, sach ty, sach kem
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sach y)) sang mai hoi. hieu va lam duoc gia ((thanh tai) or (tinh toan)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sach y)) sang mai hoi. hieu va lam duoc gia ((thanh tai) OR (tinh toan)) ve triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sach y)) sang mai hoi. hieu va lam duoc gia ((thanh tai) or (tinh toan)) ve triet*.