Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееіныееа\\" » основіеіныееа\\" (Expand Search), основееіныееа\\" (Expand Search), основныееіныееа\\" (Expand Search), основііееіныееа\\" (Expand Search), основеіееіныееа\\" (Expand Search)
основііні\" » основні\" (Expand Search), основіііні\" (Expand Search), основеііні\" (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 ((основіе\\\" OR основііні\\") OR основіееіныееа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основііні ) OR основіееіныееа\ )) OR (\ ґрунтова основ\ )).