Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
trade interaction » trade integration, face interaction, time interaction
crowd integration » grid integration, rfid integration, beyond integration
integration some » integration south, integration soziale, integration social
supply trade » supply case
supply crowd » supply growth, supply cost, supply from

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

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