Perhaps you should try some spelling variations:
"export spatial integration theory." » "export social integration theory.", "export vertical integration theory.", "export national integration theory.", "export spatial integration through.", "export spatial information theory.", "export spatial innovation theory.", "pot spatial integration theory."
"support data planning services." » "support data banking services.", "support dam planning services.", "support das planning services.", "support data explaining services.", "support a planning services.", "support de planning services."

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

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