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 spatial integration through." » "supply social integration through.", "supply vertical integration through.", "supply national integration through.", "supply spatial innovation through.", "supply partial integration through."

Try widening your search to All Fields.

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