Perhaps you should try some spelling variations:
"sorgeverhaltnis" » "sorgeverhaltnisse", "vorsorgeverhaltnis", "starkeverhaltnis"
"sorgeverhaltnissen" » "sorgeverhaltnissesen", "vorsorgeverhaltnissen", "starkeverhaltnissen", "sorgeverhaltnisse", "folgeverhaltnisse", "mengenverhaltnissen"
"formverhaltnissen" » "formverhaltnisse", "wohnverhaltnissen", "marktverhaltnissen"

Try widening your search to All Fields.

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: (("sorgeverhaltnis" OR "sorgeverhaltnissen") OR "formverhaltnissen").
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sorgeverhaltnis\" OR \"sorgeverhaltnissen\") or \"formverhaltnissen\")".
• Removing quotes may allow a broader search: (( sorgeverhaltnis OR sorgeverhaltnissen ) or formverhaltnissen ).
• Adding a wildcard symbol may retrieve word variants: (("sorgeverhaltnis" OR "sorgeverhaltnissen") or "formverhaltnissen")*.