Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
dong yang » dong hoang, wang yang, yang yang
fan human » than human, non human, von human
yang fan » zhang fan, yang dean, yang yang
ying jin » yang jin, jing ji, yang jie
yang jui » yang judy, yang di, yang xi
law pain » law main, law part
law past » law part, law east, flow past
wong yue » wang yue, hong yu

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: dong yang fan human gene ((((ying jin) OR (yang jui))) OR (((law pain) OR (law past)))) wong yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang fan human gene ((((ying jin) or (yang jui))) or (((law pain) OR (law past)))) wong yue ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang fan human gene ((((ying jin) or (yang jui))) or (((law pain) OR (law past)))) wong yue ;*.