Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
one case » some case, one class, one phase
line can » line call, line case, line a
one saul » one small
nan yan » nan ya, wang yan, qian yan
a genre » _ genre, a gender, a gentle
a gene » a gender, a gentle, a geneve

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((nan yan) or (yang yang)) ((a gene) or (a genre)) ((one case) or (line can)) one saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((nan yan) OR (yang yang)) ((a gene) OR (a genre)) ((one case) OR (line can)) one saul ;.
• Adding a wildcard symbol may retrieve word variants: wang ((nan yan) or (yang yang)) ((a gene) or (a genre)) ((one case) or (line can)) one saul ;*.