Perhaps you should try some spelling variations:
interventionism schemes » interventionism shift
cost interventionism » post interventionism, cost intervention, _ interventionism
irrigation schemes » irrigation scheme, irrigation systems
food irrigation » flood irrigation, fed irrigation, from irrigation
supply food » supply from, supply cold, supply crowd
supply cost » 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 food irrigation schemes. ) or ( supply cost interventionism schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply food irrigation schemes. ) OR ( supply cost interventionism schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( supply food irrigation schemes. ) or ( supply cost interventionism schemes. ))*.