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
huang lin » huang bin, huang jing, huang ting
hong ghi » zhong zhi, hong g, hong hai
yan tin » yuan ting, yang jin, yang lin
yang li » yang lin, 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 ((((yan tin) OR (yang li))) OR (huang lin)) hong ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang tan human gene ((((yan tin) or (yang li))) or (huang lin)) hong ghi ;*.