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

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: ("ambulante" OR (("ambulantenr" OR "ambulanzen") OR "ambulantes"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(\"ambulante\" or ((\"ambulantenr\" OR \"ambulanzen\") or \"ambulantes\"))*".
• Removing quotes may allow a broader search: ( ambulante or (( ambulantenr OR ambulanzen ) or ambulantes ))*.