Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
tuan dong » tuan duong, quan dong, luan dong
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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: ho ((chieu sang) OR (chieu xanh)) - thanh trung tuan dong ((cong tac) OR (cong thanh)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - thanh trung tuan dong ((cong tac) or (cong thanh)) than cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - thanh trung tuan dong ((cong tac) or (cong thanh)) than cau*.