Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
iii rene » ii rene, iii gene, iii reale
yang jin » yang jie, yang jun, ying jin
jin kang » jin chang, jin kyung, jing fang
kang hai » dang hai, kang han, shang hai
wan yan » wang yan, nan yan, wai yan
a gene » a genre, a gender, a gentle

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 zhang ((a gene) or (iii rene)) yang jin kang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan zhang ((a gene) OR (iii rene)) yang jin kang hai ;*.