Perhaps you should try some spelling variations:
schmidt kurt » schmidt karl (Expand Search), schmidt ute (Expand Search)
kurt welt » zur welt (Expand Search)
strahle » strehle (Expand Search)
stahle » stahl (Expand Search)
stall » stahl (Expand Search), stali (Expand Search), stoll (Expand Search)
stalle » stahle (Expand Search), stalie (Expand Search), stolle (Expand Search)
still » stille (Expand Search), stils (Expand Search), stil (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: eigenverlag heinrich schmidt kurt welt ((strahle OR stahle) OR ((stall OR stalle) OR still))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "eigenverlag heinrich schmidt kurt welt ((strahle OR stahle) OR ((stall OR stalle) OR still))".
• Adding a wildcard symbol may retrieve word variants: eigenverlag heinrich schmidt kurt welt ((strahle OR stahle) OR ((stall OR stalle) OR still))*.