Perhaps you should try some spelling variations:
структур » структури (Expand Search), структуры (Expand Search)
структуриа » структурииа (Expand Search), структурыиа (Expand Search), структури (Expand Search), структуры (Expand Search), структурою (Expand Search)
структура » структуриа (Expand Search), структурыа (Expand Search), структури (Expand Search), структуры (Expand Search)
структураы » структуриаы (Expand Search), структурыаы (Expand Search), структуриы (Expand Search), структурыы (Expand Search), структуры (Expand Search), структурам (Expand Search), структури (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 ( ((структуриа OR структура) OR структураы) схема ))~".
• Adding a wildcard symbol may retrieve word variants: (( структур схема ) OR ( ((структуриа OR структура) OR структураы) схема ))*.