Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
actor interaction » matter interaction, matter interactions, fiction interaction
supply actor » supply factors, supply sector, supply donor
supply scale » supply case, supply scheme, supply social
systems. » system.

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

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