Perhaps you should try some spelling variations:
weng fang » jing fang, wen wang
chen ping » chen rong, chen wang
chen yang » chen rong
yan weng » yan wang, yan cong, ren weng
jie song » jae song, jin song, kim song
nan yan » nan ya, wang yan, qian yan
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan weng fang ((chen ping) or (chen yang)) jie song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan weng fang ((chen ping) OR (chen yang)) jie song shin ;*.