Perhaps you should try some spelling variations:
leuschner » lechner (Expand Search), leuchter (Expand Search)
leischner » lechner (Expand Search)
rechter » richter (Expand Search), rechte (Expand Search), echter (Expand Search), rrechter (Expand Search), rechterr (Expand Search), rlechter (Expand Search)
echte » rechte (Expand Search), echter (Expand Search), lechte (Expand Search)
lrechteer » lrrechteer (Expand Search), lrechterer (Expand Search), lrlechteer (Expand Search)
lecht » lechte (Expand Search), recht (Expand Search), licht (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 leischner) OR (rechter OR ((echte OR leicht) OR (lrechteer OR (lecht OR lichte)))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((leuschner OR leischner) OR (rechter OR ((echte OR leicht) OR (lrechteer OR (lecht OR lichte)))))".
• Adding a wildcard symbol may retrieve word variants: ((leuschner OR leischner) OR (rechter OR ((echte OR leicht) OR (lrechteer OR (lecht OR lichte)))))*.