Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
integration social » international social
crowd integration » grid integration, rfid integration, beyond integration
de integration » die integration, re integration, une integration
supply crowd » supply growth, supply cost, supply from
supply de » supply _, supply a, supply 3

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

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