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 conservation efforts." » "import fuel conservation efforts.", "import situ conservation efforts.", "import water conservation efforts.", "import duties conservation 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 conservation efforts.") or ("import business information efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import duty conservation efforts.") OR ("import business information efforts.")).
• Removing quotes may allow a broader search: (( import duty conservation efforts. ) or ( import business information efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("import duty conservation efforts.") or ("import business information efforts."))*.