Perhaps you should try some spelling variations:
kang young » wang hyoung
yan juan » san juan, yan guan, don juan
yan yuan » yan guan, fang yuan, nan yan
rene yan » ren yan, rene ten, see yan
long shu » cong shu, tong shui
yan jiu » yang jie, yang jin, pang jiu
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: kang young ((yan juan) OR (yan yuan)) rene yan jiu ((long shu) or (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: kang young ((yan juan) OR (yan yuan)) rene yan jiu ((long shu) OR (long du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kang young ((yan juan) OR (yan yuan)) rene yan jiu ((long shu) or (long du)) ;*".