Perhaps you should try some spelling variations:
yan yong » yan cong, wang yong, yang yang
tan yong » tan hong, tan kong, tan yang
hua gene » human gene, a gene, hua ren
ying jin » yang jin, jing ji, yang jie
non sacu » union sacu, non sans
non same » non state, non frame, non sales
wang » wing, wan, lang

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 ((yan yong) OR (tan yong)) hua gene ying jin ((non sacu) OR (non same)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yong) OR (tan yong)) hua gene ying jin ((non sacu) or (non same)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yong) OR (tan yong)) hua gene ying jin ((non sacu) or (non same)) ;*.