Perhaps you should try some spelling variations:
nang thuong » hang thuong, nang truong, dang thuong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh luan » trinh luan, trinh luat, tang luan
doanh luan » doanh nhan
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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: theo chieu xanh - canh ((tranh luan) OR (doanh luan)) nang thuong ((van toan) OR (van tuan)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - canh ((tranh luan) or (doanh luan)) nang thuong ((van toan) OR (van tuan)) tap~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh ((tranh luan) or (doanh luan)) nang thuong ((van toan) OR (van tuan)) tap*.