Perhaps you should try some spelling variations:
"methode 4i bavel / gtt" » "methode 4 bavel / gtt", "methode 42 bavel / gtt", "methode 47 bavel / 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" » "methode vi bavula / gtt", "methode 2 bavula / gtt", "methode 3 bavula / gtt", "methode v.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 4i bavel / gtt") OR ((("methode v bavel / gtt") OR ("methode v bavula / gtt"))))*.
• Removing quotes may allow a broader search: (( methode 4i bavel / gtt ) or ((( methode v bavel / gtt ) or ( methode v bavula / gtt ))))*.