Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh hoac » thanh hoach, thanh hoa, trinh hoa
hoac khong » hoa khong, hoc khong, hay khong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
quan cau » quang cao, toan cau, quan ha

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 - canh tranh hoac khong ((cong tap) or (cong tan)) quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh hoac khong ((cong tap) OR (cong tan)) quan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh hoac khong ((cong tap) or (cong tan)) quan cau*.