Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
sach nang » cach mang, sach dung, sach danh
dong cong » duong cong, dung cong, dang cong
lang toan » lang thang, lang thanh, quang toan
dang toan » dang tran, dan toan, dung toan
ho chieu » theo chieu, hoc thieu, mot chieu
nang ha » nang hai, nang han, nang hoa
ha dong » hoat dong, van dong

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 - sach nang ha dong cong ((lang toan) or (dang toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - sach nang ha dong cong ((lang toan) OR (dang toan)) cao*.