Perhaps you should try some spelling variations:
xiaoping 3 » xiaoping _, xiaojing a, xiaoping how
3 china's » _ china's
wang yang » wang yan, wang liang, wang yanling
fund data » wind data
data hari » data sharing
tao yang » tan yang, xiao yang, dan yang
yao yang » yang yang
deng » den, eng, dung

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: deng xiaoping 3 china's ((wang yang) OR (((tao yang) OR (yao yang)))) fund data hari ;~.
• Adding a wildcard symbol may retrieve word variants: deng xiaoping 3 china's ((wang yang) or (((tao yang) or (yao yang)))) fund data hari ;*.