Perhaps you should try some spelling variations:
tranh van » tran van, trinh van, thanh van
van luong » van duong, van cuong, nang luong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cong von » cong lon, cong hon, cong van
dong von » dung von, dong co, dong hoc
bang cau » hang cau, bang cac, nang cao

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 (30 trieu)) tinh - canh tranh van luong ((cong von) OR (dong von)) bang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - canh tranh van luong ((cong von) OR (dong von)) bang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (30 trieu)) tinh - canh tranh van luong ((cong von) OR (dong von)) bang cau".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - canh tranh van luong ((cong von) OR (dong von)) bang cau*.