Perhaps you should try some spelling variations:
korea small » korean small, korea's male
more small » some small, one small, korean small
yang jan » yang fan, yang jun, yang dean
yang jin » yang jie, yang jun, ying jin
gene set » gene sets, game set, gene we
set them » let them, see them, fit them
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 ((yang jan) or (yang jin)) a gene set them ((more small) OR (korea small)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang jan) OR (yang jin)) a gene set them ((more small) OR (korea small)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang jan) or (yang jin)) a gene set them ((more small) OR (korea small)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yang jan) or (yang jin)) a gene set them ((more small) OR (korea small)) ;*.