Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
hieu manh » chieu xanh, hieu nganh, dieu hanh
bang luan » tang luan, hang luan, dung luan
cong sang » cong san, cong vang, cong bang
cong lang » cong vang, cong luong, cong quang
doc hieu » toc thieu, hoc thieu, hoc hien
anh bang » anh hoang, anh quang, tinh bang
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 nhung ((cong sang) OR (cong lang)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu manh - anh bang luan nhung ((cong sang) OR (cong lang)) than cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - anh bang luan nhung ((cong sang) OR (cong lang)) than cau*.