Perhaps you should try some spelling variations:
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
van dung » van dong, xay dung, tin dung
cong von » dong von, cong lon, cong hon
von bang » dong bang, van ban
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 dung cong 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 dung cong von bang cau.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - canh tranh van dung cong von bang cau*.