Perhaps you should try some spelling variations:
associated risks » associated rna
associate rings » associative rings, associated rites, associates risks
associated ring » associated rna, associated risk, associated driving

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: (((( associate rings ) OR ( associated ring ))) OR ( associated risks )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( associate rings ) OR ( associated ring ))) or ( associated risks ))".
• Adding a wildcard symbol may retrieve word variants: (((( associate rings ) OR ( associated ring ))) or ( associated risks ))*.