Perhaps you should try some spelling variations:
sistemlerinin istatistikler » sisteminin istatistiki (Expand Search)
guvenlik sistemlerinin » guvenlik sisteminin (Expand Search), guvenlik sistemleri (Expand Search), guvenlik sisteminde (Expand Search)
sanayide sureli » sanayiler sureli (Expand Search), sanayileri sureli (Expand Search), sanayilesme sureli (Expand Search)
sanayi sureli » sanayi surasi (Expand Search), sanat sureli (Expand Search), sinai sureli (Expand Search)
santraller » santralleri (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 santraller guvenlik sistemlerinin istatistikler ) OR ( nukleer ((((sanayi sureli) OR (sanayide sureli))) OR (sanayii sureli)) ulkeleri istatistikler ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nukleer santraller guvenlik sistemlerinin istatistikler ) OR ( nukleer ((((sanayi sureli) OR (sanayide sureli))) OR (sanayii sureli)) ulkeleri istatistikler ))".
• Adding a wildcard symbol may retrieve word variants: (( nukleer santraller guvenlik sistemlerinin istatistikler ) OR ( nukleer ((((sanayi sureli) OR (sanayide sureli))) OR (sanayii sureli)) ulkeleri istatistikler ))*.