Perhaps you should try some spelling variations:
one small » some small
yang jan » yang fan, yang dean, yang yang
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, shang jin, wang jing
ying jin » jing ji, yang jie
gene fit » gene i, gene set
fit them » fix them, hit them, fail them
them one » theme one, them more, theft 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 jan) OR (yang jun))) OR (((yang jin) OR (ying jin)))) a gene fit them one small ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yang jan) OR (yang jun))) or (((yang jin) or (ying jin)))) a gene fit them one small ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((((yang jan) OR (yang jun))) or (((yang jin) or (ying jin)))) a gene fit them one small ;*.