Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
chan kang » chung kang, chan eng, chan fong
kang gong » gang gong, kang young, zong gong
yang yao » yang yang, wang yan, yang yi
hua chen » jui chen, yu chen, a chen
yu cheng » yu chen, _ cheng
gong hui » tong hui, tong shui, wang hui

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

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