Perhaps you should try some spelling variations:
"структурыи схема" » "структуры схема" (Expand Search), "структура схема" (Expand Search), "структурою схема" (Expand Search), "структурыыи схема" (Expand Search), "структураыи схема" (Expand Search)
"структуриа схема" » "структура схема" (Expand Search), "структуры схема" (Expand Search), "структурою схема" (Expand Search), "структурыиа схема" (Expand Search), "структураиа схема" (Expand Search)
"структури схема" » "структурыи схема" (Expand Search), "структураи схема" (Expand Search)
"структур схема" » "структуры схема" (Expand Search), "структура схема" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("структури схема") OR ("структурыи схема"))) OR ((("структуриа схема") OR ("структур схема"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"структури схема\") OR (\"структурыи схема\"))) OR (((\"структуриа схема\") OR (\"структур схема\"))))".
• Removing quotes may allow a broader search: (((( структури схема ) OR ( структурыи схема ))) OR ((( структуриа схема ) OR ( структур схема )))).
• Adding a wildcard symbol may retrieve word variants: (((("структури схема") OR ("структурыи схема"))) OR ((("структуриа схема") OR ("структур схема"))))*.