Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
integration soziale » integration social
urban integration » european integration, urban migration, chain integration
use integration » une integration, die integration, de integration
supply use » supply case, supply u.s, 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 use integration theories. ) or ( supply urban integration soziale. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply use integration theories. ) OR ( supply urban integration soziale. )).
• Adding a wildcard symbol may retrieve word variants: (( supply use integration theories. ) or ( supply urban integration soziale. ))*.