Perhaps you should try some spelling variations:
"supply curve integration efforts." » "supply curve international efforts.", "supply curve conservation efforts.", "supply care integration efforts.", "supply fare integration efforts.", "supply use integration efforts."
"supply case integration series." » "supply case integration theories.", "supply case integrating services.", "supply case integration schemes.", "supply care integration series.", "supply fare integration series.", "supply can integration series.", "supply cost integration series.", "supply chain integration series.", "supply costs integration series."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply curve integration efforts.") or ("supply case integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply curve integration efforts.") OR ("supply case integration series.")).
• Removing quotes may allow a broader search: (( supply curve integration efforts. ) or ( supply case integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply curve integration efforts.") or ("supply case integration series."))*.