Perhaps you should try some spelling variations:
luan thuong » luat thuong, lan thuong, luan phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
dong thanh » truong thanh
anh dung » anh dong, anh huong, sach dung
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than cap

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 - anh dung luan thuong ((cong dan) or (dong thanh)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh dung luan thuong ((cong dan) OR (dong thanh)) than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - anh dung luan thuong ((cong dan) or (dong thanh)) than cao*.