Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
wang liang » wang yang
human gene » human genome, human gender, human bone
gene ping » gene mapping
ping john » king john, kong john, wong john
john wong » john song, john bonn
wong shiu » wong siu, cong shu, song shin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((wang shiyong) OR (wang liang)) human gene ping john wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wan ((wang shiyong) or (wang liang)) human gene ping john wong shiu ;*.