Perhaps you should try some spelling variations:
smith tony » smith tanya, saich tony, smith don
dan smith » adam smith, joan smith, d smith
yang lin » yang jin, yang li, yang liang
wang lin » wang qin, wang limin, wang liang
tony hua » tong hui, tony a, tony h
yang xi » yang di, yang yi, yang jui
wang li » wang lei, tang li, wang di
lee dan » lee daten, lee jean, lee alan

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))) or (wang li)))) lee dan smith tony hua ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((yang xi) OR (((((yang lin) OR (wang lin))) OR (wang li)))) lee dan smith tony hua ;.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((yang xi) or (((((yang lin) or (wang lin))) or (wang li)))) lee dan smith tony hua ;*.