Perhaps you should try some spelling variations:
"supply case integration theory." » "supply case integration through.", "supply case information theory.", "supply case integration report.", "supply care integration theory.", "supply fare integration theory.", "supply can integration theory.", "supply cost integration theory.", "supply chain integration theory.", "supply curve integration theory."
"supply spate irrigation scheme." » "supply spate irrigation systems.", "supply scale irrigation scheme.", "supply water irrigation scheme.", "supply surface irrigation scheme.", "supply system irrigation scheme.", "supply side irrigation scheme."

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