Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong quang » luong quang, thong quang, duong quang
quang than » quang thanh, quang thang, quang tuan
thi chieu » thi chien, thi hieu, theo chieu
tong cong » trong cong, cong cong, dung cong
tam tong » tai tong, tam nong, tam song
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (thi chieu)) xanh - thanh trung tam tong cong quang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (thi chieu)) xanh - thanh trung tam tong cong quang than cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (thi chieu)) xanh - thanh trung tam tong cong quang than cau*.