Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, anh trinh
canh tinh » hanh tinh, manh tinh, canh tranh
ho chieu » theo chieu, hoc thieu, doi chieu
van hung » van dung, manh hung, van duong
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((canh trinh) OR (canh tinh)) van hung ((cong san) OR (cong tac)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((canh trinh) OR (canh tinh)) van hung ((cong san) or (cong tac)) phan cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((canh trinh) OR (canh tinh)) van hung ((cong san) or (cong tac)) phan cau*.