Perhaps you should try some spelling variations:
tang xiaoyang » wang xiaochang, zhang xiaoyong, wang xiaodong
tang china » hang china, kong china, ming china
china land » china hand, china's land, china brand
land yang » land bank, land land, wang yang
yang wind » yang mind, yang cindy, yang jin
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) OR (tang xiaoyang)) tang china land yang wind data (hai OR hari) ;~.
• Adding a wildcard symbol may retrieve word variants: ((deng xiaoping) or (tang xiaoyang)) tang china land yang wind data (hai or hari) ;*.