Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
thanh dung » thanh tung, thanh hung, hanh dung
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
cua thong » cua thuong, cua khong, cua tong
toan ban » van ban

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) or (25 trieu)) tinh - ((thanh dung) OR (thanh duong)) cua thong cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((30 trieu) OR (25 trieu)) tinh - ((thanh dung) OR (thanh duong)) cua thong cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((30 trieu) or (25 trieu)) tinh - ((thanh dung) OR (thanh duong)) cua thong cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((30 trieu) or (25 trieu)) tinh - ((thanh dung) OR (thanh duong)) cua thong cong thanh toan ban*.