Perhaps you should try some spelling variations:
kur » kurt, kurs, kaur
kurz » kurtz, kursz, kaurz
kurst » kurtst, kursst, kaurst, kursat, kunst, hurst
kurtzst » kurttzst, kurstzst, kaurtzst, kurtzeste, kurtst
kurtz » kurttz, kurstz, kaurtz, kurt
kauers » kaufers, kauders, bauers

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 kurz) OR kauers) OR ((kurst OR kurtzst) OR kurtz)) OR kaursse)*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((kur OR kurz) or kauers) or ((kurst or kurtzst) or kurtz)) or kaursse)*".