Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
wu guang » wei guang, wu gong, wu huan
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
yang xi » yang di, yang yi, yang jui
wu tang » wu kang

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: wang yidan yang xi ((wu tang) OR (wu guang)) min ((wong siu) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan yang xi ((wu tang) or (wu guang)) min ((wong siu) OR (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yidan yang xi ((wu tang) or (wu guang)) min ((wong siu) OR (wong sau)) ;*.