Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

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 cua) or (trung tuan)) thuong cong tan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh ((trung cua) OR (trung tuan)) thuong cong tan khan cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh ((trung cua) or (trung tuan)) thuong cong tan khan cap*.