Perhaps you should try some spelling variations:
tool integrationstheorie » der integrationstheorie, eine integrationstheorie
integrationstheorie 2 » integrationstheorie fur, integration theories, interpretationstheorie 2
interaction series » interactions series, interaction studies, interaction terms
case interaction » cases interaction, based interaction, scale interaction
supply case » supply cost, supply chain, supply curve
supply tool » supply school, support tool, supply donor

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 interaction series. ) or ( supply tool integrationstheorie 2. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case interaction series. ) OR ( supply tool integrationstheorie 2. )).
• Adding a wildcard symbol may retrieve word variants: (( supply case interaction series. ) or ( supply tool integrationstheorie 2. ))*.