Perhaps you should try some spelling variations:
"supply social integration theory." » "supply global integration theory.", "supply financial integration theory.", "supply regional integration theory.", "supply social integration through.", "supply social information theory.", "supply social innovation theory."
"supply power integration series." » "supply power integration services.", "supply power interaction series.", "supply power integration server.", "supply proper integration series.", "supply cover integration series.", "supply border integration series.", "supply poverty integration series.", "supplier power integration series.", "supplies power 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 social integration theory.") or ("supply power integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply social integration theory.") OR ("supply power integration series.")).
• Removing quotes may allow a broader search: (( supply social integration theory. ) or ( supply power integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply social integration theory.") or ("supply power integration series."))*.