Perhaps you should try some spelling variations:
xiaoping tuan » xinping guan
den xiaoping » deng xiaoping, wang xiaoping, _ xiaoping
tuan china » wuhan china, can china, taiwan china
pei yang » wei yang, hui yang, pei yun
mei yung » pei yun, wei yang
jin data » main data, own data, von data

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: den xiaoping tuan china ((pei yang) OR (mei yung)) jin data (hai OR hari) ;~.
• Adding a wildcard symbol may retrieve word variants: den xiaoping tuan china ((pei yang) or (mei yung)) jin data (hai or hari) ;*.