Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
min congo » bind congo, minh cong, eic congo
congo shu » cong shu
iii gene » iii rene, iii gender, iii genome
song min » song ming, gong min, jong min
yang yi » yang di, yang xi, yang jui
i gene » _ gene, a gene, e gene

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 ((i gene) or (iii gene)) song min congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang yi ((i gene) OR (iii gene)) song min congo shu ;.
• Adding a wildcard symbol may retrieve word variants: yang yang yi ((i gene) or (iii gene)) song min congo shu ;*.