Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
qian wang » yiqian wang, qian rong, qian yan
juan rene » juan meng, juan rana
yan wang » yuan wang, yang yang, yan liang
tan juan » san juan, don juan, tan hua
wang lin » wang li, wang qin, yang lin
yan tin » yuan ting, yang jin, yang lin

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: ((yuan kang) OR (((yan wang) OR (qian wang)))) tan juan rene ((yan tin) OR (wang lin)) cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) or (((yan wang) OR (qian wang)))) tan juan rene ((yan tin) or (wang lin)) cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) or (((yan wang) OR (qian wang)))) tan juan rene ((yan tin) or (wang lin)) cong shu ;*.