Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
30 trieu » 25 trieu
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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 ((dan than) OR (dan chan)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - thanh trung cua khong cong ((dan than) OR (dan chan)) cap".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh trung cua khong cong ((dan than) OR (dan chan)) cap*.