Perhaps you should try some spelling variations:
"import business international energy." » "import business internationally energy.", "import businesses international energy.", "import business interactions energy.", "imports business international energy.", "airport business international energy.", "export business international energy."
"import duties integration efforts." » "import duties international efforts.", "import duties conservation efforts.", "import studies integration efforts.", "import dis integration efforts.", "import dutch 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: (("import duties integration efforts.") or ("import business international energy."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import duties integration efforts.") OR ("import business international energy.")).
• Removing quotes may allow a broader search: (( import duties integration efforts. ) or ( import business international energy. )).
• Adding a wildcard symbol may retrieve word variants: (("import duties integration efforts.") or ("import business international energy."))*.