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
tam duong » tam huong, tuan duong, thao duong
tam dung » tac dung, tan dung, am dung
cong dan » cong tan, huong dan, cong dong
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 ((tam dung) OR (tam duong)) ((cong dan) or (cong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung ((tam dung) OR (tam duong)) ((cong dan) OR (cong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh trung ((tam dung) OR (tam duong)) ((cong dan) or (cong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung ((tam dung) OR (tam duong)) ((cong dan) or (cong san)) van ban*.