Perhaps you should try some spelling variations:
"export ratios international efforts." » "export ratios international airports.", "export ratios international energy.", "export ratios international airport.", "export nations international efforts.", "export radio international efforts.", "export rates international efforts.", "export ratio international efforts.", "export duties international efforts."
"support data explaining services." » "support data planning services.", "support data expanding services.", "support data training services.", "support city explaining services.", "support capital explaining services.", "import data explaining services.", "support a explaining services.", "export data explaining services."

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

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