Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
wang yang » wang yan, wang liang, wang yanling
liang tan » liang dan, liang sun, wing tan
yang yan » yang yang, wang yan, yang fan
hua gene » a gene, hy5 gene
tan kong » tan hong
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yan ((((hua gene) or (hua ren))) or (human gene)) liang tan kong (sar or star) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yan ((((hua gene) OR (hua ren))) OR (human gene)) liang tan kong (sar OR star) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yan ((((hua gene) or (hua ren))) or (human gene)) liang tan kong (sar or star) ;*.