Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
yanling jan » mendling jan
one case » some case, one class, one phase
a genre » _ genre, a gender, a gentle
one can » one can't, line can, one bank
a gene » a gender, a gentle, a geneve
saul » paul, saur, raul

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: lang yanling jan ((a gene) OR (a genre)) ((one can) OR (one case)) only saul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yanling jan ((a gene) OR (a genre)) ((one can) or (one case)) only saul ;~".
• Adding a wildcard symbol may retrieve word variants: lang yanling jan ((a gene) OR (a genre)) ((one can) or (one case)) only saul ;*.