Perhaps you should try some spelling variations:
"supply data integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply aa migrationstheorie 2.", "supply data integrationstheorie fur.", "supply data integration theories.", "supply data interpretationstheorie 2."
"support farmers integration social." » "support fare integration social.", "support markets integration social.", "support firms integration social.", "support farmers international social.", "support partners integration social.", "support farm integration social."

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 data integrationstheorie 2.") OR ("support farmers integration social."))~.
• Removing quotes may allow a broader search: (( supply data integrationstheorie 2. ) or ( support farmers integration social. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply data integrationstheorie 2.") or ("support farmers integration social."))*.