Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dang cong » dung cong
trung ha » trung hoc, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
ha dang » hai dang, ha dong, ha tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung ha dang cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung ha dang cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung ha dang cong tan ((toan tap) or (toan ban))*.