Perhaps you should try some spelling variations:
side integrationstheorie » eine integrationstheorie, der integrationstheorie, revidierte integrationstheorie
grid integrationstheorie » der integrationstheorie, eine integrationstheorie
integrationstheorie 2 » integrationstheorie fur, integration theories, interpretationstheorie 2
supply grid » supply crowd, supply great, support grid

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

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