Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
liang yi » jiang yi, liang li, liang ying
yang min » yang mind, tang min, yang lin
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
a gene » a genre, a gender, a gentle
hai » hadi, haji, hari

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

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