Perhaps you should try some spelling variations:
interaction studies » intervention studies, international studies, interactions series
fiction interaction » fiction introduction, actor interaction
irrigation system » irrigation systems, irrigation water, irrigation scheme
supply fiction » supply function, supply functions, supply situation
supply scale » supply case, supply scheme, supply social

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

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