Perhaps you should try some spelling variations:
hien manh » tien manh, hieu manh, hien nhanh
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 manh) or (hien hanh)) - canh tranh cua nhung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hien hanh)) - canh tranh cua nhung ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (hien hanh)) - canh tranh cua nhung ((cong dan) or (cong san)) toan cau*.