Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh nang » anh nang, ganh nang, hanh mang
ho chieu » theo chieu, hoc thieu, doi chieu
cao dung » cao dang, cao dong, cap dung
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh
cao ung » cac ung, cho ung, bao ung

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: ho chieu xanh - hanh nang ((cao dung) OR (cao ung)) cong ((tan toan) OR (van toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh nang ((cao dung) OR (cao ung)) cong ((tan toan) or (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh nang ((cao dung) OR (cao ung)) cong ((tan toan) or (van toan)) cau*.