Perhaps you should try some spelling variations:
"eigenverlag heinrich schrifttum und OR schmidt kurt OR schmidt karl walter stahle*" » "eigenverlag heinrich schrifttum uber OR schmidt kurt OR schmidt karl walter stahle*" (Expand Search), "eigenverlag heinrich schrifttum der OR schmidt kurt OR schmidt karl walter stahle*" (Expand Search), "eigenverlag heinrich schrifttum und OR schmidt ute OR schmidt karl walter stahle*" (Expand Search), "eigenverlag heinrich schrifttum und OR schmidt kurt OR schmidt karl walter strahle*" (Expand Search), "eigenverlag heinrich schrifttum und OR schmidt kurt OR schmidt karl walter stahl*" (Expand Search)

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

• Removing quotes may allow a broader search: eigenverlag heinrich ((schrifttum und) OR (((schmidt kurt) OR (schmidt karl)))) walter stahle*.