Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theorems.", "supply chain integrationstheorie 2.", "supply chain integration theory.", "supply chainsn integration theories.", "supply chn integration theories.", "supply chain'sn integration theories."
"supply chai information theory." » "supply chain information theory.", "supply change information theory.", "supply i information theory.", "supply chains information theory.", "supply ch information theory.", "supply chain's information theory."

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