Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh tung cua dong ((cong dan) or (((cong ty) or (cong thanh)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tung cua dong ((cong dan) OR (((cong ty) OR (cong thanh)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung cua dong ((cong dan) or (((cong ty) or (cong thanh)))) toan cao*.