Perhaps you should try some spelling variations:
"supply costs integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply costs integrationstheorie fur.", "supply costs integration theories.", "supply costs interpretationstheorie 2."
"supply u.s integration some." » "supply u.s integration south.", "supply u.s integration soziale.", "supply u.s integration social.", "supply eu's integration some.", "supply dis integration some.", "supply 1.2 integration some.", "supply 1.3 integration some.", "supply 2.3 integration some.", "supply 3.3 integration some."

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

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