Perhaps you should try some spelling variations:
"supply eine integrationstheorie 2." » "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply die generationstheorie 2.", "supply eine integrationstheorie fur.", "supply eine integration theories.", "supply eine interpretationstheorie 2.", "supply lines integrationstheorie 2."
"supply china's integration services." » "supply china's integrating services.", "supply china's integrated services.", "supply china's insemination services.", "supply business integration services.", "supply chain's integration services.", "support china's integration services.", "supply chains integration services."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("supply china's integration services.") or ("supply eine integrationstheorie 2."))~.
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• Adding a wildcard symbol may retrieve word variants: (("supply china's integration services.") or ("supply eine integrationstheorie 2."))*.