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
cong hach » cong sach, cong khanh, trong hach
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
toan cau » 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) OR (cua dong)) ((cong hach) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh doanh ((cua dung) OR (cua dong)) ((cong hach) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - canh doanh ((cua dung) OR (cua dong)) ((cong hach) or (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh doanh ((cua dung) OR (cua dong)) ((cong hach) or (cong thanh)) toan cau*.