Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
liang ya » liang dan, liang tan, jiang ye
hua gene » a gene, hua ren, hy5 gene
wang lin » wang li, wang qin, yang lin
lin tong » lin zong, xin tong, lee tong
tong hui » wang hui

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 ya ((hua gene) or (human gene)) wang lin tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ya ((hua gene) OR (human gene)) wang lin tong hui ;.
• Adding a wildcard symbol may retrieve word variants: wang liang ya ((hua gene) or (human gene)) wang lin tong hui ;*.