Perhaps you should try some spelling variations:
achte » nachte (Expand Search), sachte (Expand Search), acht (Expand Search)
achtet » nachtet (Expand Search), sachtet (Expand Search), achtt (Expand Search)
rrechte » rechte (Expand Search), gerechte (Expand Search), rrrechte (Expand Search), rrachte (Expand Search)
firrechter » firechter (Expand Search), figerechter (Expand Search), firrrechter (Expand Search), firrachter (Expand Search)
echt » recht (Expand Search), acht (Expand Search)
fiechter » firechter (Expand Search), fiachter (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: (((achte OR rrechte) OR echt) OR (achtet OR (fiechter OR firrechter)))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((achte OR rrechte) OR echt) OR (achtet OR (fiechter OR firrechter)))".
• Adding a wildcard symbol may retrieve word variants: (((achte OR rrechte) OR echt) OR (achtet OR (fiechter OR firrechter)))*.