Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong dang » cong dong, cong dan, cong dung
dang van » hoang van, hang va

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

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