Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chung cong » nhung cong, chong cong, chung thong
phung cong » nhung cong, phong cong, nhung chong
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
ho chieu » theo chieu, hoc thieu, mot chieu
anh quan » anh tuan, ban quan, anh nhan
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 - hanh dong luan ((chung cong) or (phung cong)) anh quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh dong luan ((chung cong) OR (phung cong)) anh quan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh dong luan ((chung cong) or (phung cong)) anh quan cau*.