Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
trung cao » truong cao, trung cap, trung co
ho chieu » theo chieu, hoc thieu, doi chieu
cao bang » cao dang, cao tang, cao nang
cong ban » cong bang, cong san, cong tan
cong tac » cong ty
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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 - manh trung cao bang ((cong ban) or (cong tac)) ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - manh trung cao bang ((cong ban) OR (cong tac)) ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - manh trung cao bang ((cong ban) or (cong tac)) ((than cau) or (phan dau))*.