Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
van thanh » van tuan
ban thanh » ban hanh, ban hang
cua tong » cua cong, cua dong, cua nong

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