Perhaps you should try some spelling variations:
wang liang » wang yang
liang tan » liang dan, liang sun, wing tan
hua gene » human gene, a gene, hua ren
yang jun » yang jui, pang jun, yang jin
long shu » cong shu, tong shui, long du
tan hua » tuan hua, wang hua, tan chia
yan jiu » yang jie, yang jin, pang jiu

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 hua gene ((yan jiu) OR (((yang jun) OR (shang jin)))) long shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang tan hua gene ((yan jiu) or (((yang jun) or (shang jin)))) long shu ;*.