Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
zhen ming » cheng ming, zhen yong
chan ming » kian ming, chan eng, chan fong
jui chen » yi chen
jeong su » jeong _, jeong 情, rong su
jeong mi » jeong _, jeong 情, jong min
yan yan » yan yuan, nan yan, wang yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((yan yan) or (yang yang)) jui chen ((zhen ming) OR (chan ming)) ((jeong su) or (jeong mi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((yan yan) OR (yang yang)) jui chen ((zhen ming) OR (chan ming)) ((jeong su) OR (jeong mi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((yan yan) or (yang yang)) jui chen ((zhen ming) OR (chan ming)) ((jeong su) or (jeong mi)) ;*".