Perhaps you should try some spelling variations:
dan » dahn (Expand Search), dans (Expand Search)
dann » dahnn (Expand Search), dansn (Expand Search), mann (Expand Search), kann (Expand Search), denn (Expand Search)
dank » dahnk (Expand Search), dansk (Expand Search)
seiner" » meiner" (Expand Search), seine" (Expand Search)
einer" » eine" (Expand Search)
deiner" » deine" (Expand Search), meiner" (Expand Search), keiner" (Expand Search)
leiner" » leine" (Expand Search), kleiner" (Expand Search), meiner" (Expand Search)
heiner" » heine" (Expand Search), meiner" (Expand Search), heier" (Expand Search), keiner" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((dan OR dann) OR dank) ((seiner\" OR einer\") OR ((deiner\" OR leiner\") OR heiner\"))~".
• Removing quotes may allow a broader search: ((dan OR dann) OR dank) ((seiner OR einer ) OR ((deiner OR leiner ) OR heiner ))~.
• Adding a wildcard symbol may retrieve word variants: "((dan OR dann) OR dank) ((seiner" OR einer") OR ((deiner" OR leiner") OR heiner"))*.