Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh cua » doanh luan
dung cong » dung trong
manh cua » ban cua
dan chan » dan gian, dan ca, van chat

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: hoc chieu xanh - canh ((manh cua) OR (doanh cua)) dung cong ((dan chan) OR (doanh phan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh ((manh cua) OR (doanh cua)) dung cong ((dan chan) or (doanh phan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh ((manh cua) OR (doanh cua)) dung cong ((dan chan) or (doanh phan)) cau*.