Perhaps you should try some spelling variations:
структур » структури (Expand Search), структуры (Expand Search), структура (Expand Search)
структурыиа » структуриыиа (Expand Search), структурыыиа (Expand Search), структураыиа (Expand Search), структури (Expand Search), структуры (Expand Search), структура (Expand Search)
структуриы » структурииы (Expand Search), структурыиы (Expand Search), структураиы (Expand Search), структури (Expand Search), структуры (Expand Search), структура (Expand Search)
структураиа » структуриаиа (Expand Search), структурыаиа (Expand Search), структурааиа (Expand Search), структури (Expand Search), структура (Expand Search), структурам (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( структур схема ) OR ( ((структурыиа OR структуриы) OR структураиа) схема ))~".
• Adding a wildcard symbol may retrieve word variants: (( структур схема ) OR ( ((структурыиа OR структуриы) OR структураиа) схема ))*.