Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
part china » parks china, east china, market china
hurt china » out china, must china
sang minh » kang minah, anh minh, song min
minh data » mind data, fish data, mesh data
data hari » data sharing
dan sang » dan yang, dan dana, dan qing

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping ((part china) OR (hurt china)) dan sang minh data hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((part china) or (hurt china)) dan sang minh data hari ;*.