Perhaps you should try some spelling variations:
xiaoping zhang » xiaotong zhang
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
zhang china » hang china, change china, zhejiang china
jin chang » chin chang, joon chang, ying chang
des yang » dan yang, pei yang, wei yang
jin ying » li ying

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: wang xiaoping zhang china ((des yang) OR (du yang)) ((jin ying) OR (jin chang)) hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping zhang china ((des yang) OR (du yang)) ((jin ying) or (jin chang)) hadi ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping zhang china ((des yang) OR (du yang)) ((jin ying) or (jin chang)) hadi ;*.