Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
bang cong » dang cong, bang song, hang cong
anh dung » anh dong, anh huong, ap dung
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 tinh - ((((anh dung) OR (ung dung))) OR (sach dung)) cua bang cong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((((anh dung) or (ung dung))) or (sach dung)) cua bang cong dan van ban*.