Perhaps you should try some spelling variations:
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
sang minh » kang minah, anh minh, song min
ying hua » ming hua, wang hua, ying zhu
hua gene » human gene, a gene, hua ren
sang min » song min, tang min, chang min
hong hai » shang hai, zhong tai, dang hai

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 hua gene ((sang min) OR (sang minh)) hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ying hua gene ((sang min) or (sang minh)) hong hai ;*.