Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
joan smith » dan smith
smith dong » smith don, smith tony, smith donald
wang lin » wang li, wang qin, yang lin
lee joan » lee jean, lee john, lee alan
dong hua » wang hua, tong hui, dong hoi
yang xi » yang di, yang yi, yang jui

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: wang yanling ((yang xi) OR (((yang liang) OR (wang lin)))) lee joan smith dong hua ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((yang xi) or (((yang liang) or (wang lin)))) lee joan smith dong hua ;*.