Perhaps you should try some spelling variations:
структур » структури (Expand Search), структуры (Expand Search)
структурыа » структуриыа (Expand Search), структурыыа (Expand Search), структуры (Expand Search), структури (Expand Search), структурою (Expand Search)
структура » структуриа (Expand Search), структурыа (Expand Search), структури (Expand Search), структуры (Expand Search)
структураи » структуриаи (Expand Search), структурыаи (Expand Search), структурии (Expand Search), структурыи (Expand Search), структури (Expand Search), структурам (Expand Search), структуры (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 ( ((структурыа OR структура) OR структураи) схема ))~".
• Adding a wildcard symbol may retrieve word variants: (( структур схема ) OR ( ((структурыа OR структура) OR структураи) схема ))*.