Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cong hach » cong sach, cong khanh, trong hach
cua dung » cua dang, cua dong, qua dung
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 - canh doanh cua dung ((cong hach) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh doanh cua dung ((cong hach) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh doanh cua dung ((cong hach) or (cong thanh)) toan cao*.