Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
lanh tranh » canh tranh, lan tranh, hanh trinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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 chinh sach - lanh tranh cua nhung ((cong dan) OR (cong san)) toan ban~.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - lanh tranh cua nhung ((cong dan) or (cong san)) toan ban*.