Perhaps you should try some spelling variations:
"supply side integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply side integrationstheorie fur.", "supply side integration theories.", "supply side interpretationstheorie 2."
"supply content integration power." » "supply continental integration power.", "supply connectes integration power.", "supply content moderation power.", "supply content integrative power.", "supply content integration process.", "supply content international power.", "supply contract integration power.", "supply cote integration power.", "supply current integration power."

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