Perhaps you should try some spelling variations:
thanh tung » thanh cong
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
tung cao » nung cao, truong cao, trung cap
cay cong » cac cong, cao cong, cau cong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than
cao cay » cao cap, cho cay, tao cay

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) OR (25 trieu)) tinh - thanh tung cao cay cong ((dan toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - thanh tung cao cay cong ((dan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - thanh tung cao cay cong ((dan toan) or (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - thanh tung cao cay cong ((dan toan) or (dan than)) cao*.