Perhaps you should try some spelling variations:
"supply chain integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply chain integrationstheorie fur.", "supply chain integration theories.", "supply chain interpretationstheorie 2."
"supply chains international sourcing." » "supply chains international shipping.", "supply chains international accounting.", "supply chains international banking.", "supply chaos international sourcing.", "supply changing international sourcing.", "supply china's international sourcing."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply chains international sourcing.") or ("supply chain integrationstheorie 2."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chains international sourcing.") OR ("supply chain integrationstheorie 2.")).
• Removing quotes may allow a broader search: (( supply chains international sourcing. ) or ( supply chain integrationstheorie 2. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chains international sourcing.") or ("supply chain integrationstheorie 2."))*.