Perhaps you should try some spelling variations:
"import data integration theories." » "import data integration theory.", "import data integration through.", "import data integration efforts.", "import trade integration theories.", "import _ integration theories.", "import data integrity theories.", "import duty integration theories."
"supply codes banking services." » "supply border banking services.", "supply modern banking services.", "supply open banking services.", "supply costs banking services.", "supply sides banking services.", "supply cote banking services.", "supply codes banking series."

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

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