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
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 cua cong ((cong dan) or (cong tac)) ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung cua cong ((cong dan) OR (cong tac)) ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung cua cong ((cong dan) or (cong tac)) ((toan cau) or (toan tap))*.