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)
структурыыа » структуриыыа (Expand Search), структурыыыа (Expand Search), структуры (Expand Search)
структурыи » структуриыи (Expand Search), структурыыи (Expand Search), структури (Expand Search), структуры (Expand Search), структурою (Expand Search)
структура » структуриа (Expand Search), структурыа (Expand Search), структури (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 структурыыа) OR (структурыи OR структура)) схема ))~".
• Adding a wildcard symbol may retrieve word variants: (( структур схема ) OR ( ((структурыа OR структурыыа) OR (структурыи OR структура)) схема ))*.