Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
thang dong » thang long, tang dong, thanh dong
mon triet » minh triet, bo triet, mao triet
van thang » van thanh, van khang, van hang
dong danh » dong doanh, dong anh, dung danh
danh phan » danh nhan, danh phap, anh phan
phan van » pham van, thanh van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (mon triet)) tinh - doanh phan van thang dong danh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (mon triet)) tinh - doanh phan van thang dong danh phan tu*.