Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
sheng jie » shang jin, sheng jou, sheng qi
wing yan » wang yan, wing ian, wang yang
wing tan » wing ian, liang tan, hong tan
hua gene » hua ren, hy5 gene
jie song » jae song, jin song, kim song
a gene » a genre, a gender, a gentle
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing yan) or (wing tan)) yan ((((hua gene) or (a gene))) or (human gene)) sheng jie song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing yan) OR (wing tan)) yan ((((hua gene) OR (a gene))) OR (human gene)) sheng jie song shin ;.
• Adding a wildcard symbol may retrieve word variants: ((wing yan) or (wing tan)) yan ((((hua gene) or (a gene))) or (human gene)) sheng jie song shin ;*.