Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
hanh bang » anh bang, hanh mang, lanh bang
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan
bang va » hang va, ban va, trang va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu xanh)) - hanh bang va dung cong ((dan toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu xanh)) - hanh bang va dung cong ((dan toan) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu xanh)) - hanh bang va dung cong ((dan toan) or (manh toan)) cao*.