Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh dang » hanh dong, anh dang, hanh dung
dang dung » dan dung, dang hung, dang quang
cong dung » cuong dung, cong dong, cong luong
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, than man

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 - hanh dang dung phuong ((cong dan) or (cong dung)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh dang dung phuong ((cong dan) OR (cong dung)) than ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dang dung phuong ((cong dan) or (cong dung)) than ban*.