Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong canh » cong danh, cong thanh, cong khanh
canh dung » canh duong, anh dung, manh dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tac phan » tac pham, tac phat, cac phan
tai phan » tai thanh, tai phong, tai ngan

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 - thanh cong canh dung cong ((tac phan) or (tai phan)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh cong canh dung cong ((tac phan) OR (tai phan)) dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh cong canh dung cong ((tac phan) or (tai phan)) dau*.