Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham cac » cho cac, cham soc, cua cac
thu sach » tu sach, thuat sach, thuoc sach
thanh ve » hanh ve, thanh va, thanh vien
cac van » cac dan
cua tre » cua te, cua triet, dua tren
su sach » so sach, vu sach
su cham » su pham, tu cham, vu cham
tieu su » thieu so
xang xa » lang xa, mang xa, ang xa
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: ((su sach) or (thu sach)) ty xang xa hoi. tieu su cham cac van thanh ve ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) ty xang xa hoi. tieu su cham cac van thanh ve ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu sach)) ty xang xa hoi. tieu su cham cac van thanh ve ((cua tre) or (cuu tre))*.