Perhaps you should try some spelling variations:
cong nong » cong dong, cong cong, cong trong
mot trieu » mot chieu, mot tri, mon triet
nong hang » nang hang, song hang, hong thang
30 trieu » 25 trieu
lan manh » lanh manh, lan anh, van manh
manh cua » doanh cua, ban cua
va ban » van ban, va bai, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((30 trieu) or (mot trieu)) tinh - lan manh cua cong nong hang va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((30 trieu) OR (mot trieu)) tinh - lan manh cua cong nong hang va ban.
• Adding a wildcard symbol may retrieve word variants: ((30 trieu) or (mot trieu)) tinh - lan manh cua cong nong hang va ban*.