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 fare irrigation schemes." » "supply fare irrigation scheme.", "supply fare irrigation systems.", "supply farm irrigation schemes.", "supply large irrigation schemes.", "supply scale irrigation schemes.", "supply market irrigation schemes.", "supply curve irrigation schemes."

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