Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tien anh » tieng anh, tien manh, dien anh
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
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 ((tien anh) or (hien hanh)) - hanh tranh cua nhung cong dan ((phan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (hien hanh)) - hanh tranh cua nhung cong dan ((phan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (hien hanh)) - hanh tranh cua nhung cong dan ((phan cau) or (toan cao))*.