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

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: einer programmbibliothek taschenrechner*.