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