Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
one small » some small
line can » line call, line case, line a
one case » some case, one class, one phase
yang a » yang ka, yang _, yang 8
a gene » a genre, a gender, a gentle

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 yang a gene ((line can) OR (one case)) one small ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang yang a gene ((line can) or (one case)) one small ;*.