Perhaps you should try some spelling variations:
yong human » dog human, yong susan, beyond human
human gene » human genome, human gender, human bone
gene yang » gene bank
non sales » bond sales, loan sales, non same
non state » nation state
yan yong » yan cong, tan yong, wang yong
yang jin » yang jie, yang jun, ying jin
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan yong human gene yang jin ((non sales) or (non state)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yong human gene yang jin ((non sales) OR (non state)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan yong human gene yang jin ((non sales) or (non state)) ;*.