Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong tinh » cong trinh, cong vinh, long tinh
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
cua rung » cua trung, cua rang, cua truong
cua dang » cua cong, cua ban
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: ((ho trieu) OR (25 trieu)) tinh - thanh trung ((cua rung) or (cua dang)) cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - thanh trung ((cua rung) OR (cua dang)) cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - thanh trung ((cua rung) or (cua dang)) cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - thanh trung ((cua rung) or (cua dang)) cong tinh toan ban*.