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 tuan » trung thanh, trung tam, tran tuan
tuan chong » tuan phong, thuan phong, toan thong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
phan dau » phan tu, hang dau
khan cap » khan ap, than cap, khoan cam

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung tuan chong ((cong tan) OR (cong tac)) ((phan dau) OR (khan cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung tuan chong ((cong tan) OR (cong tac)) ((phan dau) or (khan cap))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung tuan chong ((cong tan) OR (cong tac)) ((phan dau) or (khan cap))*.