Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
30 trieu » 25 trieu
cong ban » cong bang, cong san, cong tan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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