Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
social integration » global integration, financial integration, regional integration
supporting social » support social, supporting digital
integration power » integrative power, integration process, international power
die integration » trade integration
supply die » supply driven

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

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