Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene gene » gene meme, gene one, one gene
gene task » gender task, one task, general task
one small » some small
qian yan » qian jun, qian yi
yan yuan » yan guan, fang yuan, nan yan
a gene » a genre, a gender, a gentle

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

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