Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation schemes » irrigation scheme, irrigation systems
case integration » care integration, fare integration, can integration
chain irrigation » change irrigation, basin irrigation, chain integration
supply case » supply cost, supply curve, supply costs

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 efforts. ) or ( supply chain irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case integration efforts. ) OR ( supply chain irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( supply case integration efforts. ) or ( supply chain irrigation schemes. ))*.