Perhaps you should try some spelling variations:
qian wang » yiqian wang, qian rong, qian yan
yang yang » wang yang, wang yan
yuan kang » yuan wang, yuan chang, chan kang
yan wang » yuan wang, yan liang, yan zhang
hua chen » jui chen, yu chen, a chen
yuan tan » huan t'an, yuan ting, yuan wang
hong yu » wong yue

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: ((qian wang) OR (((yan wang) OR (yang yang)))) wang hua chen ((yuan tan) OR (yuan kang)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((qian wang) or (((yan wang) OR (yang yang)))) wang hua chen ((yuan tan) or (yuan kang)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((qian wang) or (((yan wang) OR (yang yang)))) wang hua chen ((yuan tan) or (yuan kang)) hong yu ;*.