Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
mot trieu » mot chieu, mot tri, mon triet
cua trong » cua truong, cua trung, qua trong
30 trieu » 25 trieu
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot trieu) or (30 trieu)) tinh - hanh truong cua trong cong ((san toan) OR (dan toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot trieu) OR (30 trieu)) tinh - hanh truong cua trong cong ((san toan) OR (dan toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot trieu) or (30 trieu)) tinh - hanh truong cua trong cong ((san toan) OR (dan toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((mot trieu) or (30 trieu)) tinh - hanh truong cua trong cong ((san toan) OR (dan toan)) cau*.