Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hang doanh » hanh doanh, nhung doanh, van doanh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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 - hang doanh cua dung ((cong tan) or (cong thanh)) ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hang doanh cua dung ((cong tan) OR (cong thanh)) ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hang doanh cua dung ((cong tan) or (cong thanh)) ((toan tap) or (toan ban))*.