Perhaps you should try some spelling variations:
pipes integrationstheorie » eine integrationstheorie, der integrationstheorie
integrationstheorie fur » integrationstheorie 2, integrationstheorie willy, integration theories
reforms regulating » reform regulating, reforms regulatory, frameworks regulating
supply reforms » supply reform

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 reforms regulating services. ) OR ( supply pipes integrationstheorie fur. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply reforms regulating services. ) or ( supply pipes integrationstheorie fur. ))*.