Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hien anh » hien hanh, thien anh, dien anh
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 anh - hanh tranh cua nhung cong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - hanh tranh cua nhung cong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - hanh tranh cua nhung cong dan ((than cau) or (toan cau))*.