Perhaps you should try some spelling variations:
gene song » gene one
congo can » congo call, cong van, congo a
yang jui » yang judy, yang di, yang yi
hua gene » human gene, a gene, hua ren
song min » song ming, gong min, jong min
cong seo » hong seo, cong sun, von seo
yang xi » yang di, yang yi

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 xi) OR (yang jui)) hua gene song min ((((cong seo) or (cong shu))) or (congo can)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang xi) OR (yang jui)) hua gene song min ((((cong seo) OR (cong shu))) OR (congo can)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang xi) OR (yang jui)) hua gene song min ((((cong seo) or (cong shu))) or (congo can)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yang xi) OR (yang jui)) hua gene song min ((((cong seo) or (cong shu))) or (congo can)) ;*.