Perhaps you should try some spelling variations:
"support private international seminar." » "support private information seminar.", "support finance international seminar.", "support private international series.", "support private international standard.", "support private international mining.", "supporting private international seminar.", "support climate international seminar.", "supply private international seminar."
"export _ integration theories." » "export _ integration theorems.", "export _ integrationstheorie 2.", "export _ integration theory."

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: (("export _ integration theories.") OR ("support private international seminar."))~.
• Removing quotes may allow a broader search: (( export _ integration theories. ) or ( support private international seminar. ))~.
• Adding a wildcard symbol may retrieve word variants: (("export _ integration theories.") or ("support private international seminar."))*.