Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
smith cong » smith don, smith tony
ann smith » ana smith, a smith, dan smith
yang xin » yang jin, yang lin, zhang xin
cong hui » tong hui, gong hui, cong shu
yang xi » yang di, yang yi, yang jui

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

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