Perhaps you should try some spelling variations:
"Encyclopédie industrielle und commerciale" » "Encyclopédie industrial un commerciale", "Encyclopédie industrielles et commerciale", "Encyclopédie industrial una commerciale"
"Encyclopédie industrielle und commercialize" » "Encyclopédie industrial un commercialize", "Encyclopédie industrielles et commercialize", "Encyclopédie industrial una commercialize", "Encyclopédie industrielle und commercial", "Encyclopédie industrielle und comercializan", "Encyclopédie industrielle und comercializar"
"Encyclopédie industrial de commercialize" » "Encyclopédie industria de commercialize", "Encyclopédie industria del commercialize", "Encyclopédie industrial en commercialize", "Encyclopédie industrial de commercial", "Encyclopédie industrial de comercializan", "Encyclopédie industrial de comercializar"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("Encyclopédie industrielle und commerciale") OR ((("Encyclopédie industrielle und commercialize") OR ("Encyclopédie industrial de commercialize"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Encyclopédie industrielle und commerciale\") OR (((\"Encyclopédie industrielle und commercialize\") OR (\"Encyclopédie industrial de commercialize\"))))".
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• Adding a wildcard symbol may retrieve word variants: (("Encyclopédie industrielle und commerciale") OR ((("Encyclopédie industrielle und commercialize") OR ("Encyclopédie industrial de commercialize"))))*.