Perhaps you should try some spelling variations:
wang yidan » wang yan
liang dan » liang tan, king dan, liang sun
wang yang » wang yan, wang liang, wang yanling
xi zhang » li zhang, xiao zhang, bin zhang
yu wang » yue wang, yu fang, yu gang
yang xi » yang di, yang yi, yang jui
yun yu » lun yu

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 dan) OR (wang yidan)) yun yu wang yang xi zhang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: ((liang dan) or (wang yidan)) yun yu wang yang xi zhang (hai or hadi) ;*.