Perhaps you should try some spelling variations:
thanh trung » thanh tung
phan thuong » hang thuong, phan xuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung phan » trung thanh, trung ha, dung phan
cong thanh » dong thanh, cong trinh, cong tan
cong san » cong tac
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 sang - thanh trung phan thuong ((cong san) or (cong thanh)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh trung phan thuong ((cong san) OR (cong thanh)) than cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh trung phan thuong ((cong san) or (cong thanh)) than cap*.