Perhaps you should try some spelling variations:
структур » структуры (Expand Search), структура (Expand Search)
структураиа » структурыаиа (Expand Search), структурааиа (Expand Search), структура (Expand Search), структурам (Expand Search), структураа (Expand Search), структурама (Expand Search), структурыа (Expand Search)
структури » структурыи (Expand Search), структураи (Expand Search)
структураи » структурыаи (Expand Search), структурааи (Expand Search), структура (Expand Search), структурам (Expand Search), структуры (Expand Search)
структурыи » структурыыи (Expand Search), структураыи (Expand Search), структуры (Expand Search), структура (Expand Search), структурою (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 ( ((структураиа OR структури) OR (структураи OR структурыи)) схема ))~".
• Adding a wildcard symbol may retrieve word variants: (( структур схема ) OR ( ((структураиа OR структури) OR (структураи OR структурыи)) схема ))*.