Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu bang » chieu sang, chu bang, khien bang
cau phuong » cac phuong, cuu phuong, va phuong
trung cau » trung cap, trung ca, trung can
cong tan » cong tac, cong san, cong thanh
song van » hoang van, trong van, duong van
than cap » khan cap, thanh lap, thanh cac

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 bang - thanh trung cau phuong ((cong tan) or (song van)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu bang - thanh trung cau phuong ((cong tan) OR (song van)) than cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu bang - thanh trung cau phuong ((cong tan) or (song van)) than cap*.