Perhaps you should try some spelling variations:
statistischer » statistische, statistischen
statistika » statistiska, statistik, statistikk
statistikah » statistiskah, statistikh, statistikkh, statistical, statistik, statistiken
statistica » statistical, statistic, statistician

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: (statistischer OR (((statistika OR statistica) OR statistikah) OR statistics)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(statistischer or (((statistika OR statistica) or statistikah) or statistics))".
• Adding a wildcard symbol may retrieve word variants: (statistischer or (((statistika OR statistica) or statistikah) or statistics))*.