Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
thuong ung » thuong dung, thuong hung, huong ung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
van toan » van tuan, van tan, van thanh
ban hanh » ban hang

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 - thanh thuong ung dung cong ((van toan) OR (ban hanh)) cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh thuong ung dung cong ((van toan) or (ban hanh)) cao*.