Perhaps you should try some spelling variations:
"supply south integration efforts." » "supply south international efforts.", "supply south conservation efforts.", "supply through integration efforts.", "supply social integration efforts.", "supply sector integration efforts.", "supply growth integration efforts.", "supply costs integration efforts.", "supply cost integration efforts."
"supply border integration series." » "supply trade integration series.", "supply market integration series.", "supply fare integration series.", "supply border integration theories.", "supply border integrating services.", "supply border integration schemes.", "supply under 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 south integration efforts.") or ("supply border integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply south integration efforts.") OR ("supply border integration series.")).
• Removing quotes may allow a broader search: (( supply south integration efforts. ) or ( supply border integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply south integration efforts.") or ("supply border integration series."))*.