Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
yuan chen » yuan cheng, yun chen, sudan chen
gong gang » hong gang, gong qiang, gongs gong
zhong zhi » zhang zhi, hong ghi, zhong tai
chen hao » cheng han
hao ruiz » han rui
yan wang » yang yang, qian wang, yan liang

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 chen hao ruiz ((yan wang) OR (yuan wang)) yang ((gong gang) OR (zhong zhi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan chen hao ruiz ((yan wang) OR (yuan wang)) yang ((gong gang) or (zhong zhi)) ;~".
• Adding a wildcard symbol may retrieve word variants: yuan chen hao ruiz ((yan wang) OR (yuan wang)) yang ((gong gang) or (zhong zhi)) ;*.