Perhaps you should try some spelling variations:
quan thanh » ban thanh, van thanh
hanh trinh » canh tranh, hanh chinh
doan quan » doan quang, dan quan, toan quan
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
he dung » he dong, nghe dung, hoc dung
te dung » tieu dung, tien dung, tin dung

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: doan quan thanh - hanh trinh ((he dung) OR (te dung)) cong dan ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doan quan thanh - hanh trinh ((he dung) OR (te dung)) cong dan ((toan cau) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: doan quan thanh - hanh trinh ((he dung) OR (te dung)) cong dan ((toan cau) or (toan ban))*.