Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
liang tan » liang dan, liang sun, wing tan
tan human » than human, non human, von human
wong shiu » wong siu, cong shu, song shin
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang xi

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: wang liang tan human gene ((yang jun) OR (yang jui)) wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang tan human gene ((yang jun) or (yang jui)) wong shiu ;*.