Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene one » gene clone, gene gene, gene we
one saul » one small
yan yan » yan yuan, nan yan, wang yan
one can » one can't, one case, line can
can one » than one, can only
a gene » a genre, a gender, a gentle
wang » wing, wan

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