Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
quan nhan » xuan nhan, quan nha, luan nhan
danh nhan » doanh nhan, thanh nhan, benh nhan
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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 - canh trinh ((quan nhan) or (danh nhan)) cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh trinh ((quan nhan) OR (danh nhan)) cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh trinh ((quan nhan) or (danh nhan)) cong tan phan dau*.