Perhaps you should try some spelling variations:
quan guan » gan guan, quan guo, yan guan
guan rene » juan rene, glas rene
yan quan » yan guan, yan yuan, yan clan
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi
yan jiu » yang jin, pang jiu
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan quan guan rene ((((yan jiu) or (((yang jie) OR (yang jui))))) or (yang di)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan quan guan rene ((((yan jiu) OR (((yang jie) OR (yang jui))))) OR (yang di)) cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan quan guan rene ((((yan jiu) or (((yang jie) OR (yang jui))))) or (yang di)) cong shu ;*".