Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tang » trung thang, trong tang, trung thanh
tang cuong » nang luong
cuong cong » cong cong, luong cong, duong cong
thanh toan » thanh hoa, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung tang cuong cong ((thanh toan) OR (tinh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung tang cuong cong ((thanh toan) or (tinh toan)) cau*.