Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
ganh nang » anh nang, nganh nong, van nang
cong cong » cong dong, trong cong, dung cong
manh toan » thanh toan, anh tuan, tinh toan
anh dong » anh huong, anh son
dan toan » van toan, dan than, xuan toan

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: theo chieu sach - ((ganh nang) OR (anh dong)) cua cong cong ((dan toan) OR (manh toan)) ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((ganh nang) or (anh dong)) cua cong cong ((dan toan) or (manh toan)) ban*.