Perhaps you should try some spelling variations:
methodik leitfaden » methodischer leitfaden
struktur technik » struktur technische, kultur technik
einer methodik » eine methodik, einer methode, der methodik

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( struktur technik leitfaden ) OR ( einer methodik leitfaden )).
• Adding a wildcard symbol may retrieve word variants: (( struktur technik leitfaden ) or ( einer methodik leitfaden ))*.