Perhaps you should try some spelling variations:
hanh trinh » canh tranh
doi trieu » dong trieu, doi chieu, doi trinh
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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: doi trieu tinh - ((hanh trinh) OR (hanh chinh)) cua hang cong dan ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi trieu tinh - ((hanh trinh) or (hanh chinh)) cua hang cong dan ((than cau) OR (than cap))~".
• Adding a wildcard symbol may retrieve word variants: doi trieu tinh - ((hanh trinh) or (hanh chinh)) cua hang cong dan ((than cau) OR (than cap))*.