Perhaps you should try some spelling variations:
gene song » gene one
hua gene » human gene, a gene, hua ren
song min » song ming, gong min, jong min
min cong » minh cong, min hong, min jeong
cong seo » hong seo, cong shu, cong sun
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang ((yang yi) or (yang xi)) hua gene song min cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((yang yi) OR (yang xi)) hua gene song min cong seo ;.
• Adding a wildcard symbol may retrieve word variants: yang ((yang yi) or (yang xi)) hua gene song min cong seo ;*.