Perhaps you should try some spelling variations:
firechter » fiechter (Expand Search), gerechter (Expand Search), firrechter (Expand Search), firachter (Expand Search), firechtr (Expand Search), firechtsr (Expand Search)
lechter » lrechter (Expand Search), lachter (Expand Search)
fiechtner » firechtner (Expand Search), fiachtner (Expand Search)
echt » recht (Expand Search), acht (Expand Search)
rechte » rrechte (Expand Search), rachte (Expand Search), recht (Expand Search), rechts (Expand Search)
unrechts » unrrechts (Expand Search), unrachts (Expand Search), rechts (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: ((lechter OR (fiechtner OR firechter)) OR ((nachte OR echt) OR (rechte OR unrechts)))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lechter OR (fiechtner OR firechter)) OR ((nachte OR echt) OR (rechte OR unrechts)))".
• Adding a wildcard symbol may retrieve word variants: ((lechter OR (fiechtner OR firechter)) OR ((nachte OR echt) OR (rechte OR unrechts)))*.