Perhaps you should try some spelling variations:
"ambulanter" » "ambulanten", "ambulanzer", "ambulantener", "ambulanceer", "ambulantenr"
"ambulantenr" » "ambulanten", "ambulanzen", "ambulantem", "ambulanzenr", "ambulantenenr", "ambulanceenr", "ambulantennr"
"ambulantes" » "ambulanten", "ambulance", "ambulanzes", "ambulantenes", "ambulancees", "ambulantens"
"ambulant" » "ambulanz", "ambulanten", "ambulance"
"ambulante" » "ambulanze", "ambulantene", "ambulancee", "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 "ambulant"))) OR "ambulante").
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"ambulanter\" or (\"ambulantenr\" or (\"ambulantes\" OR \"ambulant\"))) or \"ambulante\")".
• Removing quotes may allow a broader search: (( ambulanter or ( ambulantenr or ( ambulantes OR ambulant ))) or ambulante ).
• Adding a wildcard symbol may retrieve word variants: (("ambulanter" or ("ambulantenr" or ("ambulantes" OR "ambulant"))) or "ambulante")*.