Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
lang yan » wang yan, zhang yan, yang yang
gong tin » gong min, gong si, long tip
yang xi » yang di, yang yi, yang jui
gong di » dong di, gong si, long did
hong du » hong yu, long du, hong tou
yan li » yang li, yuan li, gan li

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: ((lang yan) OR (wang yang)) ((yan li) OR (yang xi)) li ((gong tin) OR (gong di)) hong du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) or (wang yang)) ((yan li) or (yang xi)) li ((gong tin) OR (gong di)) hong du ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang yan) or (wang yang)) ((yan li) or (yang xi)) li ((gong tin) OR (gong di)) hong du ;*.