Perhaps you should try some spelling variations:
"support its integration efforts." » "support its international efforts.", "support its conservation efforts.", "support dis integration efforts.", "support res integration efforts.", "support gis integration efforts.", "support units integration efforts."
"support group integration efforts." » "support group international efforts.", "support group conservation efforts.", "support group interaction efforts.", "support group interactions efforts.", "support erp integration efforts.", "support grant integration efforts."

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

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