Perhaps you should try some spelling variations:
"supply case integration theories." » "supply case integration theory.", "supply case integration through.", "supply case integration efforts.", "supply care integration theories.", "supply fare integration theories.", "supply can integration theories.", "supply cost integration theories.", "supply chain integration theories.", "supply curve integration theories."
"supply water irrigation schemes." » "supply water irrigation scheme.", "supply water irrigation systems.", "supply water sanitation schemes.", "supply scale irrigation schemes.", "supply canal irrigation schemes."

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