Perhaps you should try some spelling variations:
"supply spatial integration efforts." » "supply social integration efforts.", "supply vertical integration efforts.", "supply national integration efforts.", "supply spatial international efforts.", "supply spatial conservation efforts.", "supply partial integration efforts."
"supply side integration series." » "supply side integration services.", "supply side interaction series.", "supply side integration server.", "supply die integration series.", "supply de integration series.", "supply life 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 side integration series.") or ("supply spatial integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply side integration series.") OR ("supply spatial integration efforts.")).
• Removing quotes may allow a broader search: (( supply side integration series. ) or ( supply spatial integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply side integration series.") or ("supply spatial integration efforts."))*.