Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cong nhan » cong nhat, cong thanh, cong san
cong lang » cong vang, cong luong, cong quang
ho chieu » theo chieu, hoc thieu, mot chieu
chuan he » quan he
dinh cu » dinh cuu, dinh chuc, dinh chau
cu cong » cua cong, cuu cong, cau cong

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 dinh cu cong ((cong nhan) or (cong lang)) chuan he~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh dinh cu cong ((cong nhan) OR (cong lang)) chuan he*.