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
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
doc hieu » toc thieu, hoc thieu, hoc hien
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: doc hieu manh - canh tranh cua nhung ((cong manh) or (cong danh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - canh tranh cua nhung ((cong manh) OR (cong danh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - canh tranh cua nhung ((cong manh) or (cong danh)) toan tap*.