Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
one small » some small
yang yan » wang yan, yang fan, yang yao
gene one » gene clone, gene gene, gene we
one tan » one bank, one task, one turn
tan one » than one, can one, man one
a gene » a genre, a gender, a gentle

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 ((yang yan) OR (yang yang)) a gene one tan one small ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yan) or (yang yang)) a gene one tan one small ;*.