Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
bang cuong » tang cuong, bang cong, bang suong
cong chua » cong cua, con chua, cong chu
cong chuc » cong thuc, cong cu, cong cua
linh toan » tinh toan, hinh toan, minh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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 - thanh ((cong chua) or (cong chuc)) bang cuong linh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((cong chua) OR (cong chuc)) bang cuong linh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((cong chua) or (cong chuc)) bang cuong linh toan ban*.