Perhaps you should try some spelling variations:
zhang yan » zhang fan, zhang jian, wang yan
wang yang » wang yan, wang liang, wang yanling
yan plan » yan clan, can plant, plan plan
plan von » planes von, man von, plan via
von wang » von wall, von wald, wen wang
shi rong » yi rong
li rong » yi rong, li cong, li song

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: zhang yan plan von wang yang ((shi rong) OR (li rong)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: zhang yan plan von wang yang ((shi rong) or (li rong)) hai ;*.