Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
zhong tai » hong tan, hong hai, zhong zhi
hong paul » ron paul
rna gene » rrna gene, one gene
tai hong » tan hong, thi hong, kai hong
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: yuan wang yang ((rna gene) or (a gene)) zhong tai hong paul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang yang ((rna gene) OR (a gene)) zhong tai hong paul ;*.