Perhaps you should try some spelling variations:
methode van » methode von, methode vii, methode vom
methode vi » methoden vi, methode von, methode 2
methode v » methode 2, methode 3, methode 4
vi bavel » vi based, vi baked, vi bases
v bavel » v bavula

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 van bavel / gtt ) OR ((( methode v bavel / gtt ) OR ( methode vi bavel / gtt )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( methode van bavel / gtt ) or ((( methode v bavel / gtt ) OR ( methode vi bavel / gtt ))))".
• Adding a wildcard symbol may retrieve word variants: (( methode van bavel / gtt ) or ((( methode v bavel / gtt ) OR ( methode vi bavel / gtt ))))*.