Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien manh » hien hanh, tien manh, hieu manh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chinh tai » chinh tri
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, chinh cau, nhanh cau
can cau » van cau, ban cau, ca cau

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: hoc hien manh - canh tranh cua nhung cong dan ((((chan cau) OR (can cau))) OR (chinh tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien manh - canh tranh cua nhung cong dan ((((chan cau) OR (can cau))) or (chinh tai))~".
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - canh tranh cua nhung cong dan ((((chan cau) OR (can cau))) or (chinh tai))*.