Perhaps you should try some spelling variations:
"supply grid integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply grid integrationstheorie fur.", "supply grid integration theories.", "supply grid interpretationstheorie 2.", "supply crowd integrationstheorie 2.", "supply great integrationstheorie 2.", "support grid integrationstheorie 2."
"supply national integrity policies." » "supply national identity policies.", "supply national integrated policies.", "supply national integrity policy.", "supply national integration policies.", "support national integrity policies.", "supply international integrity policies."

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

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