Perhaps you should try some spelling variations:
kur » kurz, kurt, kurs
kurst » kurzst, kurtst, kursst, kunst, hurst, burst
kurtst » kurztst, kurttst, kurstst, kurts
kursat » kurzsat, kurtsat, kurssat, kursad
durszt » durst

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 (kurst OR kurtst)) OR (durszt OR kursat)) OR kaursse).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((kur or (kurst OR kurtst)) or (durszt or kursat)) or kaursse)".
• Adding a wildcard symbol may retrieve word variants: (((kur or (kurst OR kurtst)) or (durszt or kursat)) or kaursse)*.