Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yulu chen » yu chen
chan tung » chan eng, chan fong, chan kang
tung chun » tung chung, tang chun, fung chung
yong yan » yang yang, dong yang, ying yang
yu cheng » yu chen, _ cheng
chun hui » chuang hui, china hui, chun h

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan ((yulu chen) or (yu cheng)) chan tung chun hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan ((yulu chen) OR (yu cheng)) chan tung chun hui ;*.