Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung gian » truong giang, truong giao, trong giang
gian nhung » gian vung, gioi nhung
cong dan » cong san, cong tan, cong dong
toan cao » toan tap
toan ban » van 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 trung gian nhung ((cong dan) OR (huong dan)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung gian nhung ((cong dan) OR (huong dan)) ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung gian nhung ((cong dan) OR (huong dan)) ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung gian nhung ((cong dan) OR (huong dan)) ((toan cao) or (toan ban))*.