Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
crowd interaction » cloud interaction, child interactions, robot interaction
interaction terms » interaction term
supply crowd » supply growth, supply cost, supply from
supply main » supply chain, supply ann, supply chains
supply many » supply ann, supply company, supply germany

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 crowd interaction terms. ) OR ( ((supply main) OR (supply many)) irrigation schemes. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply crowd interaction terms. ) or ( ((supply main) OR (supply many)) irrigation schemes. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply crowd interaction terms. ) or ( ((supply main) OR (supply many)) irrigation schemes. ))*.