Perhaps you should try some spelling variations:
wang yidan » wang yan
liang tan » liang dan, liang sun, wing tan
chan fong » chew fong, chan eng, chan kang
yidan zi » yan zi, yuan zi
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
zi chan » ii chang, yi chang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((liang tan) OR (dong sin)) wang yidan zi chan fong ((wong siu) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((liang tan) or (dong sin)) wang yidan zi chan fong ((wong siu) OR (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((liang tan) or (dong sin)) wang yidan zi chan fong ((wong siu) OR (wong sau)) ;*.