Perhaps you should try some spelling variations:
yontemleri istatistiksel » onlemleri istatistikler (Expand Search), yonetimi istatistiksel (Expand Search), ulkeleri istatistiksel (Expand Search)
santralleri guvenlik » santraller guvenlik (Expand Search), santralleri sureli (Expand Search), sistemleri guvenlik (Expand Search)
onleme istatistikler » ornekleme istatistikler (Expand Search), onlemleri istatistikler (Expand Search), isletme istatistikler (Expand Search)
nukleer santralleri » nukleer santraller (Expand Search), nukleer santrallarin (Expand Search), nukleer santrallar (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nukleer santralleri guvenlik ((((onleme istatistikler) OR (((yontemleri istatistiksel) OR (bilimler istatistiksel))))) OR (ulkeleri istatistikler))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nukleer santralleri guvenlik ((((onleme istatistikler) OR (((yontemleri istatistiksel) OR (bilimler istatistiksel))))) OR (ulkeleri istatistikler))".
• Adding a wildcard symbol may retrieve word variants: nukleer santralleri guvenlik ((((onleme istatistikler) OR (((yontemleri istatistiksel) OR (bilimler istatistiksel))))) OR (ulkeleri istatistikler))*.