Perhaps you should try some spelling variations:
"supply eine integrationstheorie 2." » "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply die generationstheorie 2.", "supply eine integrationstheorie fur.", "supply eine integration theories.", "supply eine interpretationstheorie 2.", "supply lines integrationstheorie 2.", "supply china integrationstheorie 2."
"supply scale integration theory." » "supply scale integration through.", "supply scale information theory.", "supply scale innovation theory.", "supply care integration theory.", "supply soziale integration theory.", "supply trade integration theory.", "supply case integration theory.", "supply scheme integration theory.", "supply social integration theory."

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: (("supply eine integrationstheorie 2.") OR ("supply scale integration theory."))~.
• Removing quotes may allow a broader search: (( supply eine integrationstheorie 2. ) or ( supply scale integration theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply eine integrationstheorie 2.") or ("supply scale integration theory."))*.