Perhaps you should try some spelling variations:
"support large international efforts." » "support large international airports.", "support large international energy.", "support large international airport.", "support care international efforts.", "support change international efforts.", "support three international efforts.", "support lars international efforts.", "support long international efforts.", "support land international efforts."
"supporting self testing services." » "supporting self existing services.", "supporting self lending services.", "supporting self training services.", "supporting self dealing services.", "supporting self healing services."

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

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