Perhaps you should try some spelling variations:
duong trong » dung trong
mot trieu » mot chieu, mot tri
mon triet » minh triet, bo triet, mao triet
trong van » trong cac
30 trieu » 25 trieu
tranh va » tranh van, trang va, trinh va
va duong » van duong, va tuong, va huong
van dung » van dong, xay dung, tin dung

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 (mon triet))) or (30 trieu)) tinh - canh tranh va duong trong van dung cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((mot trieu) OR (mon triet))) OR (30 trieu)) tinh - canh tranh va duong trong van dung cho.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((mot trieu) OR (mon triet))) or (30 trieu)) tinh - canh tranh va duong trong van dung cho".
• Adding a wildcard symbol may retrieve word variants: ((((mot trieu) OR (mon triet))) or (30 trieu)) tinh - canh tranh va duong trong van dung cho*.