Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
cost interaction » host interaction, host interactions, robot interaction
data irrigation » delta irrigation, canal irrigation, water irrigation
supply cost » supply costs
systems. » system.

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 data irrigation systems. ) OR ( supply cost interaction series. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply data irrigation systems. ) or ( supply cost interaction series. ))*.