Perhaps you should try some spelling variations:
smith tong » smith tony, smith don, smith tom
yang lin » yang jin, yang li, yang liang
wang lin » wang li, wang qin, wang limin
tong hui » wang hui
yang xi » yang di, yang yi, yang jui
d smith » _ smith, l smith, p smith
lee d » lee do, lee _, lee g

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling ((yang xi) or (((yang lin) or (wang lin)))) lee d smith tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((yang xi) OR (((yang lin) OR (wang lin)))) lee d smith tong hui ;.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((yang xi) or (((yang lin) or (wang lin)))) lee d smith tong hui ;*.