Perhaps you should try some spelling variations:
wang lihong » wang liang, wang shiyong
yang yang » wang yang, wang yan
wang hong » wang yong, wang hyoung, wang heyong
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
long sar » kong sar, long span, long way
long arm » long term

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 OR wan) yang yang hua gene ((wang hong) OR (wang lihong)) ((long sar) OR (long arm)) ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yang yang hua gene ((wang hong) or (wang lihong)) ((long sar) or (long arm)) ;*.