Perhaps you should try some spelling variations:
"support state interactions term." » "support scale interactions term.", "support state interventions term.", "support sea interactions term.", "support state interaction term.", "support state interaction terms.", "support state interactions theory.", "support stage interactions term.", "support staff interactions term.", "support start interactions term."
"support fare irrigation schemes." » "support fare irrigation scheme.", "support fare irrigation systems.", "support farm irrigation schemes.", "support large irrigation schemes.", "support scale irrigation schemes.", "support farmers irrigation schemes.", "support future irrigation schemes."

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: (("support state interactions term.") OR ("support fare irrigation schemes."))~.
• Removing quotes may allow a broader search: (( support state interactions term. ) or ( support fare irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support state interactions term.") or ("support fare irrigation schemes."))*.