Perhaps you should try some spelling variations:
thanh thuong » thanh chuong, thanh phuong, khanh thuong
thanh huong » thanh hung, thanh cong, anh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cap dung » ap dung, cao dung, chan dung
toan cao » toan ban, toan tap

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) OR (thanh huong)) cap dung cong trinh toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((thanh thuong) or (thanh huong)) cap dung cong trinh toan cao*.