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