Perhaps you should try some spelling variations:
statistisches » statistische, statistischen, statistischer
statistiky » statistika, statistikk, statistiken
statistics » statisticals, statistisches
statistic » statistical, statistische

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: ((statistics OR statistisches) OR (statistiky OR (statistic OR statistik))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((statistics or statistisches) or (statistiky or (statistic OR statistik)))".
• Adding a wildcard symbol may retrieve word variants: ((statistics or statistisches) or (statistiky or (statistic OR statistik)))*.