Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yulu chen » yu chen
chan wong » chan fong, chan eng, chan kang
wong chun » wang chun, fong chan, jong chan
yong yan » yang yang, dong yang, ying yang
yu cheng » yu chen, _ cheng
chun h » chung h, chun _, chun i

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 yong yan ((yulu chen) OR (yu cheng)) chan wong chun h ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yan ((yulu chen) or (yu cheng)) chan wong chun h ;*.