Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong luong » cong thuong, nang luong, cong dong
canh hanh » xanh hanh, canh tranh, danh thanh
cong hung » cong chung, cong huong, cong dung
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, xuan toan

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 - canh hanh vi ((cong luong) or (cong hung)) ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh hanh vi ((cong luong) OR (cong hung)) ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh hanh vi ((cong luong) or (cong hung)) ((dan toan) or (manh toan)) cau*.