Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh tinh » hanh tinh, manh tinh, canh tranh
than phan » thanh phan, toan phan, thanh pham
ho chieu » theo chieu, hoc thieu, doi chieu
tinh ung » tinh dung, trinh ung, tinh hung
tan phan » toan phan, tai phan, tin phan
van phan » van phong, van thanh, luan phan

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 tinh ung dung trong ((((tan phan) or (than phan))) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tinh ung dung trong ((((tan phan) OR (than phan))) OR (van phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tinh ung dung trong ((((tan phan) or (than phan))) or (van phan)) cau*.