Perhaps you should try some spelling variations:
chung kong » chung kang, chung tong, chung chong
yang yang » wang yang, wang yan
yang jean » yang dean, young jean, yang fan
kong yang » dong yang, kong hang, kyoung yang
kang chen » chang chen, jane chen, kang han
yang xi » yang di, yang yi, yang jui
xi kang » jin kang, xi zhang

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 yang) or (yang jean)) chung kong yang xi kang chen ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang yang) OR (yang jean)) chung kong yang xi kang chen ;*.