Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
juan rene » juan meng, juan rana
zhong zhi » zhang zhi, hong ghi, zhong tai
yan wang » yang yang, qian wang, yan liang
hua rene » hua ren
hong shu » cong shu, tong shui, wong shiu
yan jiu » yang jie, yang jin, pang jiu

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) OR (yan wang)) tao ((hua rene) or (juan rene)) yan jiu ((hong shu) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yan wang)) tao ((hua rene) OR (juan rene)) yan jiu ((hong shu) OR (zhong zhi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) OR (yan wang)) tao ((hua rene) or (juan rene)) yan jiu ((hong shu) or (zhong zhi)) ;*".