Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu xanh » chieu sach, chieu sang, chieu tinh
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
van dang » van dong, van dung, van nang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trong van dang ((cong dan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trong van dang ((cong dan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trong van dang ((cong dan) or (cong san)) toan cao*.