Perhaps you should try some spelling variations:
chan fong » chew fong, chan kang, chan ming
yuan kai » yuan kang, yuan fei, tan kai
yu cheng » yu chen, _ cheng
jui chen » yi chen
chan eng » chan kang, chan ming, han en
wong siu » wong shiu, kong siu, wong sau
yan ka » yang ka
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan ka) OR (yuan kai)) ((yu cheng) or (jui chen)) ((chan eng) or (chan fong)) wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan ka) OR (yuan kai)) ((yu cheng) OR (jui chen)) ((chan eng) OR (chan fong)) wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan ka) OR (yuan kai)) ((yu cheng) or (jui chen)) ((chan eng) or (chan fong)) wong siu ;*".