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

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 setting") OR ((("cycle regulatory relations") OR ("cycle regulatory regions")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"gene regulatory setting\") or (((\"cycle regulatory relations\") OR (\"cycle regulatory regions\"))))".
• Removing quotes may allow a broader search: (( gene regulatory setting ) or ((( cycle regulatory relations ) OR ( cycle regulatory regions )))).
• Adding a wildcard symbol may retrieve word variants: (("gene regulatory setting") or ((("cycle regulatory relations") OR ("cycle regulatory regions"))))*.