Perhaps you should try some spelling variations:
programmbibliothek taschenrechner » programmierbare taschenrechner, programmierbarer taschenrechner, programmierbaren taschenrechner
22vieweg programmbibliothek » die programmbibliothek, einer programmbibliothek, eine programmbibliothek

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• Adding a wildcard symbol may retrieve word variants: %22Vieweg Programmbibliothek Taschenrechner%22*.