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
cua dang » cua cong, cua ban
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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 dang ((cong ban) OR (cong san)) chung cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh trung cua dang ((cong ban) OR (cong san)) chung cu*".