Perhaps you should try some spelling variations:
case integrationstheorie » eine integrationstheorie, der integrationstheorie
integrationstheorie 2 » integrationstheorie fur, integration theories, interpretationstheorie 2
integration volume » integration von
supply case » supply cost, supply chain, supply curve

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply case integrationstheorie 2. ) or ( supply _ integration volume. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case integrationstheorie 2. ) OR ( supply _ integration volume. )).
• Adding a wildcard symbol may retrieve word variants: (( supply case integrationstheorie 2. ) or ( supply _ integration volume. ))*.