Perhaps you should try some spelling variations:
yong chen » yung chen, hong cheng, zong cheng
wang yong » wang yang, wang hyoung, wang yan
chen ping » chen rong, chen yang, chen wang
song jin » song min, song shin, song bing
wai yan » wang yan, wei yang
ping ji » ping jia, jing ji, ping yi
nan ya » nan yan, nana yaa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wai yan) or (nan ya)) wang yong chen ping ji ((song jin) or (shang jin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wai yan) OR (nan ya)) wang yong chen ping ji ((song jin) OR (shang jin)) ;*.