Perhaps you should try some spelling variations:
"supply side integration regimes." » "supply side immigration regimes.", "supply side international regimes.", "supply side integration regional.", "supply die integration regimes.", "supply de integration regimes.", "supply life integration regimes."
"supply life interaction series." » "supply life interactions series.", "supply life interaction studies.", "supply life interaction terms.", "supply like interaction series.", "supply time interaction series.", "supply life integration series.", "supply lines interaction series."

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: (("supply life interaction series.") OR ("supply side integration regimes."))~.
• Removing quotes may allow a broader search: (( supply life interaction series. ) or ( supply side integration regimes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply life interaction series.") or ("supply side integration regimes."))*.