Perhaps you should try some spelling variations:
cua nhung » va nhung
cua tinh » cua sinh, va tinh, ha tinh
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong san, cong tan, cong dong
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
ban cua » ban quan

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: tri cua tinh - hanh ban cua nhung ((cong dan) OR (huong dan)) ((than cau) OR (than cap))~.
• Adding a wildcard symbol may retrieve word variants: tri cua tinh - hanh ban cua nhung ((cong dan) or (huong dan)) ((than cau) or (than cap))*.