Perhaps you should try some spelling variations:
kur » kurt, kurs
kurst » kurtst, kursst, kursat, kunst, hurst
kursst » kurtsst, kurssst, kursat
kurz » kurtz, kursz
kurzes » kurtzes, kurszes, kurzer, kurzen
kaur » kaum, kauf, kar
kaursse » kaumsse, kaufsse, karsse

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((kur OR kaur) OR (kurst OR kursst)) OR (kurz OR kurzes)) OR kaursse).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((kur or kaur) or (kurst OR kursst)) or (kurz or kurzes)) or kaursse)".
• Adding a wildcard symbol may retrieve word variants: ((((kur or kaur) or (kurst OR kursst)) or (kurz or kurzes)) or kaursse)*.