Perhaps you should try some spelling variations:
dan » dahn (Expand Search), dann (Expand Search), dans (Expand Search)
dank » dahnk (Expand Search), dannk (Expand Search), dansk (Expand Search)
dannsk » dahnnsk (Expand Search), dannnsk (Expand Search), dansnsk (Expand Search)
einen" » meinen" (Expand Search), eine" (Expand Search), einer" (Expand Search)
seinen" » smeinen" (Expand Search), seine" (Expand Search), seiner" (Expand Search), einen" (Expand Search), meinen" (Expand Search)
sein" » ein" (Expand Search), mein" (Expand Search)
seine" » eine" (Expand Search), meine" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: "(((dan OR das) OR (dank OR dannsk)) OR den) ((einen" OR seinen") OR (sein" OR seine"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(((dan OR das) OR (dank OR dannsk)) OR den) ((einen\" OR seinen\") OR (sein\" OR seine\"))".
• Removing quotes may allow a broader search: (((dan OR das) OR (dank OR dannsk)) OR den) ((einen OR seinen ) OR (sein OR seine )).
• Adding a wildcard symbol may retrieve word variants: "(((dan OR das) OR (dank OR dannsk)) OR den) ((einen" OR seinen") OR (sein" OR seine"))*.