Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, chong cong, khong con
khong cang » thong cong, hong bang, khong dung
trung cua » truong cua, trung tuan, trung cap
30 trieu » 25 trieu
dan than » dan chan, ban than, van than
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: 30 trieu tinh - thanh trung cua ((khong cong) OR (khong cang)) dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - thanh trung cua ((khong cong) OR (khong cang)) dan than cau".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh trung cua ((khong cong) OR (khong cang)) dan than cau*.