Perhaps you should try some spelling variations:
"supply border integration theories." » "supply border integration theorems.", "supply border integrationstheorie 2.", "supply border integration theory.", "supply der integration theories.", "supply merger integration theories.", "supply border migration theories.", "supply order integration theories.", "supply under integration theories."
"support grant integration through." » "support grant innovation through.", "support migrant integration through.", "support migrants integration through.", "support statt integration through."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant integration through.") OR ("supply border integration theories."))~.
• Removing quotes may allow a broader search: (( support grant integration through. ) or ( supply border integration theories. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support grant integration through.") or ("supply border integration theories."))*.