Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuan wang » yan wang, yuan kang, yuan chang
juan rene » juan meng, juan rana
hua rene » hua ren
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
hong yu » wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang yuhan ((hua rene) OR (juan rene)) ((yang jin) or (yang jui)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yuhan ((hua rene) OR (juan rene)) ((yang jin) OR (yang jui)) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang yuhan ((hua rene) OR (juan rene)) ((yang jin) or (yang jui)) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: yuan wang yuhan ((hua rene) OR (juan rene)) ((yang jin) or (yang jui)) hong yu ;*.