Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
hien sang » hien trang, khien bang, chieu sang
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sang - ((canh tranh) or (hanh trinh)) cua nhung cong dan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sang - ((canh tranh) OR (hanh trinh)) cua nhung cong dan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - ((canh tranh) or (hanh trinh)) cua nhung cong dan ((than cau) or (phan cau))*.