Perhaps you should try some spelling variations:
thanh thang » thanh thanh, thanh hang, thanh toan
thanh trung » thanh tung
nhanh thang » nhanh thanh, nhanh quang, hanh trang
khong cong » thong cong, khong cang, chong cong
thanh than » thanh thanh, thanh toan, thanh phan
trung hua » trung ha, trung hoa, trung cua
hua khong » hoa khong, cua khong, hoac khong
30 trieu » 25 trieu

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 hua khong cong ((thanh than) or (((thanh thang) OR (nhanh thang)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh trung hua khong cong ((thanh than) OR (((thanh thang) OR (nhanh thang)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - thanh trung hua khong cong ((thanh than) or (((thanh thang) OR (nhanh thang)))) cau".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh trung hua khong cong ((thanh than) or (((thanh thang) OR (nhanh thang)))) cau*.