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

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