Perhaps you should try some spelling variations:
"gene regulatory relations" » "gene regulatory regions", "gene regular relations", "gene regulatory functions", "gene regulation relations"
"state regulatory setting" » "state ambulatory setting", "state regulatory reporting", "state regulatory situation", "state regulation setting", "cycle regulatory setting"

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: (("gene regulatory relations") OR ("state regulatory setting")).
• Removing quotes may allow a broader search: (( gene regulatory relations ) or ( state regulatory setting )).
• Adding a wildcard symbol may retrieve word variants: (("gene regulatory relations") or ("state regulatory setting"))*.