Perhaps you should try some spelling variations:
xiaoping tuan » xinping guan
tuan china » wuhan china, can china, taiwan china
china tan » china top, china two, china taiwan
yang jin » yang jie, shang jin, wang jing
ying jin » jing ji, yang jie
yang jun » yang jui, pang jun, yang judy
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 tuan china tan ((((yang jin) OR (ying jin))) OR (yang jun)) data (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "deng xiaoping tuan china tan ((((yang jin) OR (ying jin))) or (yang jun)) data (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: deng xiaoping tuan china tan ((((yang jin) OR (ying jin))) or (yang jun)) data (hai or hari) ;*.