Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
phuong cong » phuong dong, phong cong, phung cong
doanh luan » doanh nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
toc hieu » toc thieu, doc hieu, hoc thieu
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - toan doanh luan phuong cong ((dan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - toan doanh luan phuong cong ((dan toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - toan doanh luan phuong cong ((dan toan) or (van toan)) cao*.