Perhaps you should try some spelling variations:
"import business information efforts." » "import business innovation efforts.", "import business information networks.", "import business information flows.", "airport business information efforts.", "port business information efforts.", "importing business information efforts."
"import duty integration efforts." » "import duty international efforts.", "import duty conservation efforts.", "import data integration efforts.", "import south integration efforts.", "import deep integration efforts.", "import duties 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 duty integration efforts.") or ("import business information efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import duty integration efforts.") OR ("import business information efforts.")).
• Removing quotes may allow a broader search: (( import duty integration efforts. ) or ( import business information efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("import duty integration efforts.") or ("import business information efforts."))*.