Perhaps you should try some spelling variations:
ambulanter » ambulanten, ambulantenr
ambulantenr » ambulanten, ambulanzen, ambulantem, ambulantennr
ambulantes » ambulanten, ambulance, ambulant, ambulantens
ambulante » ambulanten

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: (( ambulanter OR ( ambulantenr OR ambulantes )) OR ambulante ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ambulanter or ( ambulantenr OR ambulantes )) or ambulante )".
• Adding a wildcard symbol may retrieve word variants: (( ambulanter or ( ambulantenr OR ambulantes )) or ambulante )*.