Perhaps you should try some spelling variations:
xiaoping tan » xiaoyang tang, xiaojing a, xiaoping _
china's land » china's long, china's anti, china's food
china land » china hand, china brand, china laws
yang jin » yang jie, ying jin, shang jin
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 tan ((china land) OR (china's land)) ((yang jin) OR (yang jun)) data (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "deng xiaoping tan ((china land) OR (china's land)) ((yang jin) or (yang jun)) data (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: deng xiaoping tan ((china land) OR (china's land)) ((yang jin) or (yang jun)) data (hai or hari) ;*.