Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong dong, cong tac
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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

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