Perhaps you should try some spelling variations:
"export price integration theory." » "export price integration through.", "export price information theory.", "export price integration report.", "export service integration theory.", "export policy integration theory.", "export trade integration theory.", "export prices integration theory.", "import prices integration theory."
"support grant innovation through." » "support grant innovation house.", "support green innovation through.", "support trade innovation through.", "support ukraine innovation 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: (("export price integration theory.") OR ("support grant innovation through."))~.
• Removing quotes may allow a broader search: (( export price integration theory. ) or ( support grant innovation through. ))~.
• Adding a wildcard symbol may retrieve word variants: (("export price integration theory.") or ("support grant innovation through."))*.