Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
van thanh » ban thanh, van tuan
xuc van » duc van, luc van, vuc van
van lam » van nam
van cam » van nam, van cau, van dam
tu sach » thu sach, te sach, tu cach
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
cuc tu » cuc du, luc tu, duc tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) ky tang ma hoi. thien ((van cam) or (van lam)) xuc van thanh tai cuc tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky tang ma hoi. thien ((van cam) OR (van lam)) xuc van thanh tai cuc tu.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky tang ma hoi. thien ((van cam) or (van lam)) xuc van thanh tai cuc tu*.