Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
thang long » thanh cong
mon triet » minh triet, bo triet, mao triet
van thang » van thanh, van khang, van hang
long danh » cong danh, dong danh, long banh
danh phan » doanh phan, danh nhan, danh phap
hoan van » hoang van, hoa van, doan 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 hoan van thang long danh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (mon triet)) tinh - doanh hoan van thang long danh phan tu*.