Perhaps you should try some spelling variations:
"import duties conservation efforts." » "import sites conservation efforts.", "import species conservation efforts.", "import outline conservation efforts."
"import business information efforts." » "import business innovation efforts.", "import business transformation efforts.", "import business informations ressorts.", "imports business information efforts.", "airport business information efforts.", "export business information 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 conservation efforts.") or ("import business information efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import duties conservation efforts.") OR ("import business information efforts.")).
• Removing quotes may allow a broader search: (( import duties conservation efforts. ) or ( import business information efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("import duties conservation efforts.") or ("import business information efforts."))*.