Perhaps you should try some spelling variations:
quan thuong » quang phuong, quang truong, quyen thuong
manh trong » manh truong, anh trong, manh trung
trong quan » thong quan, tong quan, thong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong canh » dong anh, dong cach, dong lanh
dong danh » dong doanh, dong anh, dung danh
doc hieu » toc thieu, hoc thieu, hoc hien

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - manh trong quan thuong ((dong canh) OR (dong danh)) van ban~.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - manh trong quan thuong ((dong canh) or (dong danh)) van ban*.