Perhaps you should try some spelling variations:
"import data integration theories." » "import data integration theorems.", "import data integrationstheorie 2.", "import data integration theory.", "import data integrity theories.", "import dat3 integration theories.", "import dat2 integration theories.", "import dat4 integration theories.", "import duty integration theories."
"support a integration through." » "support a innovation through.", "support 3 integration through.", "support 2 integration through.", "support 4 integration through.", "support _ integration through."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("import data integration theories.") or ("support a integration through."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("import data integration theories.") OR ("support a integration through."))*.
• Removing quotes may allow a broader search: (( import data integration theories. ) or ( support a integration through. ))*.