Perhaps you should try some spelling variations:
intermediation theory » introduction theory, determination theory, integration theory
integration volume » integration von
crowd integration » grid integration, rfid integration, beyond integration
supply financial » support financial, supply finance, summary financial
supply crowd » supply growth, supply cost, supply from

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 crowd integration volume. ) OR ( supply financial intermediation theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply crowd integration volume. ) or ( supply financial intermediation theory. ))*.