Perhaps you should try some spelling variations:
thanh luong » thanh huong, thanh long, thanh cuong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
luong va » dung va
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan tap
toan ban » van ban
va bang » va nang, va lang, va ban

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 - thanh luong va bang ((cong dan) OR (cong san)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh luong va bang ((cong dan) OR (cong san)) ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh luong va bang ((cong dan) OR (cong san)) ((toan cao) or (toan ban))*".