Perhaps you should try some spelling variations:
leuschner » leischner (Expand Search), lechner (Expand Search), leuchter (Expand Search)
rechter » richter (Expand Search), rechte (Expand Search), echter (Expand Search), rrechter (Expand Search), rechterr (Expand Search), rlechter (Expand Search)
rechterrn » richterrn (Expand Search), rechtern (Expand Search), echterrn (Expand Search), rechten (Expand Search), rrechterrn (Expand Search), rechterrrn (Expand Search), rlechterrn (Expand Search)
gerescher » gerechter (Expand Search), trescher (Expand Search)
gerechten » gerrechten (Expand Search), gerechtern (Expand Search), gerlechten (Expand Search)
echte » rechte (Expand Search), echter (Expand Search), lechte (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: (leuschner OR ((rechter OR (rechterrn OR (gerechten OR gerescher))) OR echte))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(leuschner OR ((rechter OR (rechterrn OR (gerechten OR gerescher))) OR echte))".
• Adding a wildcard symbol may retrieve word variants: (leuschner OR ((rechter OR (rechterrn OR (gerechten OR gerescher))) OR echte))*.