Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
gene gene » gene meme, gene one, one gene
one agent » one parent, one event, one gene
one small » some small
ying a » buying a, laying a, ying hua
a one » _ one

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 ying a ((gene gene) OR (one agent)) a one small ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ying a ((gene gene) or (one agent)) a one small ;*.