Perhaps you should try some spelling variations:
"import price integration through." » "import price innovation through.", "import service integration through.", "import trade integration through.", "import price indexation through.", "import prices integration through.", "export price integration through.", "export prices integration through."
"import scale integration theory." » "import scale information theory.", "import scale innovation theory.", "import scale intermediation theory.", "import care integration theory.", "import soziale integration theory.", "import trade integration theory.", "import share integration theory.", "import sales integration theory.", "import shares integration theory."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import scale integration theory.") or ("import price integration through."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import scale integration theory.") OR ("import price integration through.")).
• Removing quotes may allow a broader search: (( import scale integration theory. ) or ( import price integration through. )).
• Adding a wildcard symbol may retrieve word variants: (("import scale integration theory.") or ("import price integration through."))*.