Perhaps you should try some spelling variations:
"support private international efforts." » "support private information efforts.", "support finance international efforts.", "support private international airports.", "support private international energy.", "support private international airport.", "supporting private international efforts.", "support climate international efforts.", "supply private international efforts."
"support group integration 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 private international efforts.") or ("support group integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support private international efforts.") OR ("support group integration efforts.")).
• Removing quotes may allow a broader search: (( support private international efforts. ) or ( support group integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support private international efforts.") or ("support group integration efforts."))*.