Perhaps you should try some spelling variations:
"methode 2i bavel / gtt" » "methode 2 bavel / gtt", "methode 23 bavel / gtt", "methode 29 bavel / gtt", "methode 2 pavel / gtt", "methode 24 pavel / gtt"
"methode von babel / gtt" » "methode von abel / gtt", "methode von baden / gtt", "methode von baer / gtt", "methode vion babel / gtt", "methode 2on babel / gtt", "methode 3on babel / gtt"
"methode v bavel / gtt" » "methode vi bavel / gtt", "methode 2 bavel / gtt", "methode 3 bavel / gtt", "methode van bavel / gtt", "methode v bavula / gtt"

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: (((("methode von babel / gtt") OR ("methode 2i bavel / gtt"))) OR ("methode v bavel / gtt"))*.
• Removing quotes may allow a broader search: (((( methode von babel / gtt ) or ( methode 2i bavel / gtt ))) or ( methode v bavel / gtt ))*.