Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
kang minh » kang minah, anh minh, kan min
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
yang xi » yang di, yang yi, yang jui
xi ju » li ju, xi bu

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 ju ((kang minh) OR (sang minh)) wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan yang xi ju ((kang minh) or (sang minh)) wong shiu ;*.