Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cap » truong cao, trung tam
cong bang » cuong bang, dong bang, hong bang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
cap ban » cap bang, can ban, cac ban

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 chu xanh - thanh trung cap ban ((cong bang) OR (cong san)) ((phan cau) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh trung cap ban ((cong bang) or (cong san)) ((phan cau) OR (phan cac))~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh trung cap ban ((cong bang) or (cong san)) ((phan cau) OR (phan cac))*.