Perhaps you should try some spelling variations:
yan chang » yuan chang, han chang, yan zhang
iie gene » iii gene, rice gene, i gene
ying jin » yang jin, jing ji, yang jie
jin song » jie song, john song, kim song
song hai » hong hai, shang hai, dang hai
wan yan » wang yan, nan yan, wai yan
e gene » _ gene, a gene

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan chang ((e gene) or (iie gene)) ying jin song hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan chang ((e gene) OR (iie gene)) ying jin song hai ;*.