Perhaps you should try some spelling variations:
"supply factor international seminar." » "supply factor international series.", "supply factor international standard.", "supply factor international mining.", "supply factory international seminar.", "supply sector international seminar.", "supply action international seminar.", "supply factors international seminar."
"supply chain integration theories." » "supply chain integration theorems.", "supply chain integrationstheorie 2.", "supply chain 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: (("supply chain integration theories.") OR ("supply factor international seminar."))~.
• Removing quotes may allow a broader search: (( supply chain integration theories. ) or ( supply factor international seminar. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration theories.") or ("supply factor international seminar."))*.