Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham sac » cham soc, pham sach, cap sac
thu sach » thuat sach, thuoc sach, thu hoach
thanh ve » hanh ve, thanh va, thanh vien
tu sach » su sach, te sach, tu cach
cua tre » cua te, cua triet, dua tren
sac van » cac van, san van, sat van
tu cham » toc cham, thi cham
tieu tu » tieu thu, tieu su, lieu tu
mang xa » lang xa, mang may, dang xay
ty mang » ty xang, ty hang, tin mang
cuu tre » cau tren, cau treo

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 (thu sach)) ty mang xa hoi. tieu tu cham sac van thanh ve ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty mang xa hoi. tieu tu cham sac van thanh ve ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty mang xa hoi. tieu tu cham sac van thanh ve ((cua tre) or (cuu tre))*.