Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
case international » cases international, care international, cause internationale
farm integration » fare integration, alarm integration, from integration
supply case » supply cost, supply chain, supply curve
supply farm » supply from, support farm

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 case international journal. ) OR ( supply farm integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply case international journal. ) or ( supply farm integration efforts. ))*.