Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
bang luan » tang luan, hang luan, dung luan
luan hung » luan chung, lan hung, luan ung
doc hieu » toc thieu, hoc thieu, hoc hien
anh bang » anh hoang, anh quang, tinh bang
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 - anh bang luan hung ((cong san) OR (cong tac)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu manh - anh bang luan hung ((cong san) OR (cong tac)) than cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - anh bang luan hung ((cong san) OR (cong tac)) than cau*.