Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan trong » quan trong, luat trong, luan tuong
trinh toan » tinh toan, thanh toan, trinh quan
tang luan » dung luan
trinh han » trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang

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 - anh tang luan trong cong ((trinh toan) OR (trinh han)) ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - anh tang luan trong cong ((trinh toan) or (trinh han)) ban*.