Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
yang human » facing human
human gene » human genome, human gender, human bone
gene tang » gene bank
min hong » amin hong, min hyoung, min jeong
tin hong » tan hong, kia hong, thi hong

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 human gene tang ((min hong) OR (tin hong)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang yang human gene tang ((min hong) or (tin hong)) hai ;*.