Perhaps you should try some spelling variations:
"support social integration theories." » "support social integration theory.", "support social integration through.", "support social integration efforts.", "support global integration theories.", "support financial integration theories.", "support regional integration theories.", "supporting social integration theories.", "supply social integration theories."
"supply cost integrating services." » "supply cost integrated services.", "supply cost testing services.", "supply cost integrating policies.", "supply count integrating services.", "supply faso integrating services.", "supply now integrating services.", "supply costs integrating services."

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

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