Perhaps you should try some spelling variations:
"supply crowd integration theories." » "supply crowd integration theory.", "supply crowd integration through.", "supply crowd integration efforts.", "supply grid integration theories.", "supply trade integration theories.", "supply chain integration theories.", "supply growth integration theories.", "supply cost integration theories.", "supply how integration theories."
"supply crop irrigation schemes." » "supply crop irrigation scheme.", "supply crop irrigation systems.", "supply drip irrigation schemes.", "supply scale irrigation schemes.", "supply canal irrigation schemes.", "supply curve irrigation schemes."

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