Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
unseen things » see things
things zeng » things zhang, things end, things using
zeng doug » jeng dong, zeng douglas
doug skin » dof skin
yang jie » yang jin, yang jui, yang xi

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 jie) or (yang di)) unseen things zeng doug skin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yangming ((yang jie) OR (yang di)) unseen things zeng doug skin ;*.