Perhaps you should try some spelling variations:
integration theories » integration theory, integration through, integration efforts
integration series » integrating services, integration schemes, integration social
case integration » care integration, can integration, use integration
fare integration » market integration, trade integration, data integration
supply case » supply cost, supply chain, supply curve
supply fare » supply farm, supply market, 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 case integration series. ) or ( supply fare integration theories. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case integration series. ) OR ( supply fare integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (( supply case integration series. ) or ( supply fare integration theories. ))*.