Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
toc hieu » toc thieu, doc hieu, hoc thieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » phan dau, phan lap, phan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - canh tranh cua thong ((cong dan) or (cong tan)) ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - canh tranh cua thong ((cong dan) OR (cong tan)) ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - canh tranh cua thong ((cong dan) or (cong tan)) ((phan cac) or (nhan cach))*.