Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
hung cong » nhung cong, hung cuong, phung cong
cua hung » cua nhung, cua chung, cua huong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: ho ((((chieu sach) or (chiet tach))) or (chieu tinh)) - canh tranh cua hung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chiet tach))) OR (chieu tinh)) - canh tranh cua hung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chiet tach))) or (chieu tinh)) - canh tranh cua hung cong tac toan cau*.