Perhaps you should try some spelling variations:
main » mein (Expand Search)
deines" » eines" (Expand Search), meines" (Expand Search), seines" (Expand Search)
keiner" » kleiner" (Expand Search), keine" (Expand Search), deiner" (Expand Search)
leiner" » kleiner" (Expand Search), leine" (Expand Search)
seiner" » seine" (Expand Search)
einer" » eine" (Expand Search)
meiner" » meine" (Expand Search), einer" (Expand Search), meinr" (Expand Search)
meine" » eine" (Expand Search), mein" (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: "(sohn OR main) ((deines" OR (keiner" OR leiner")) OR (((seiner" OR einer") OR meiner") OR meine"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(sohn OR main) ((deines\" OR (keiner\" OR leiner\")) OR (((seiner\" OR einer\") OR meiner\") OR meine\"))".
• Removing quotes may allow a broader search: (sohn OR main) ((deines OR (keiner OR leiner )) OR (((seiner OR einer ) OR meiner ) OR meine )).
• Adding a wildcard symbol may retrieve word variants: "(sohn OR main) ((deines" OR (keiner" OR leiner")) OR (((seiner" OR einer") OR meiner") OR meine"))*.