Perhaps you should try some spelling variations:
\"структур » \"структури (Expand Search), \"структуры (Expand Search)
\"структура » \"структуриа (Expand Search), \"структурыа (Expand Search), \"структури (Expand Search), \"структуры (Expand Search)
\"структурыа » \"структуриыа (Expand Search), \"структурыыа (Expand Search), \"структуры (Expand Search), \"структури (Expand Search), \"структурою (Expand Search)
\"структуриа » \"структурииа (Expand Search), \"структурыиа (Expand Search), \"структури (Expand Search), \"структуры (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 (((\\"структура OR \\"структурыа) OR \\"структуриа) схема\\"))\"".
• Removing quotes may allow a broader search: (( структур схема ) OR ((( структура OR структурыа) OR структуриа) схема )).