Perhaps you should try some spelling variations:
wang yidan » wang yan
ping wang » ping pong, hong wang
ying shiu » ming shih, wong shiu
yang jui » yang judy, yang di, yang xi
yang li » yang lin, yang di, yang xi
i due » i die, _ due, 1 due
i du » i dub, i eu, i do
zhu » zhou

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: ping wang yidan ((i du) OR (i due)) ((yang li) OR (yang jui)) ((ying shiu) OR (ying zhu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ping wang yidan ((i du) or (i due)) ((yang li) or (yang jui)) ((ying shiu) OR (ying zhu)) ;~".
• Adding a wildcard symbol may retrieve word variants: ping wang yidan ((i du) or (i due)) ((yang li) or (yang jui)) ((ying shiu) OR (ying zhu)) ;*.