Perhaps you should try some spelling variations:
"support fare integrationstheorie 2." » "support der integrationstheorie 2.", "support eine integrationstheorie 2.", "support fare integrationstheorie fur.", "support fare integration theories.", "support fare interpretationstheorie 2.", "support farm integrationstheorie 2.", "support farmers integrationstheorie 2.", "support future integrationstheorie 2."
"support data integrity schemes." » "support data integration schemes.", "support data integrity systems.", "support data integrity series.", "support a integrity schemes.", "support de integrity schemes."

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

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