Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
hua gene » a gene, hua ren, hy5 gene
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
hong hai » shang hai, zhong tai, dang hai
yan xi » yang xi, yan zi
wang » wing, wan, lang

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

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