Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quang dung » quang trung, cuong dung
bien tinh » bi tinh, yen tinh, diep tinh
doi bien » doi dien, voi bien, doi hien
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi bien tinh - hanh trinh ((quang dung) or (ung dung)) ((cong dan) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi bien tinh - hanh trinh ((quang dung) OR (ung dung)) ((cong dan) OR (cong tac)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi bien tinh - hanh trinh ((quang dung) or (ung dung)) ((cong dan) or (cong tac)) than cau*.