Perhaps you should try some spelling variations:
"supply through integrating policies." » "supply through international policies.", "supply through integrating countries.", "supply through immigration policies.", "supply through integration policies.", "support through integrating policies."
"supply social integration theories." » "supply social integration theory.", "supply social integration through.", "supply social integration efforts.", "supply global integration theories.", "supply financial integration theories.", "supply regional integration theories."

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

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