Perhaps you should try some spelling variations:
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (Expand Search)
основііееееа\\" » основіеееа\\" (Expand Search), основееееа\\" (Expand Search), основніеееа\\" (Expand Search), основіііееееа\\" (Expand Search), основеііееееа\\" (Expand Search)
основеные\\" » основные\\" (Expand Search), основіеные\\" (Expand Search), основееные\\" (Expand Search)
основ\\" » основі\\" (Expand Search), основе\\" (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: "\"\\"((\\\"ґрунтова ((основііе\\\" OR основеные\\\") OR основііееееа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основііе\ OR основеные\ ) OR основііееееа\ )) OR (\ ґрунтова основ\ )).