Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
china wang » china yang, china chang, china zhang
joon chang » hoong chang, boon chong, jin chang
chang hari » chang ha, chang part, shang hai
china who » china why, china what, china won
ying joon » kyung joon, king john, ying jin

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 wuhan ((china who) OR (china wang)) ying joon chang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping wuhan ((china who) or (china wang)) ying joon chang hari ;*.