Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіеа\\" » основіа\\" (Expand Search), основеа\\" (Expand Search), основныеа\\" (Expand Search), основі\\" (Expand Search), основе\\" (Expand Search), основііеа\\" (Expand Search), основеіеа\\" (Expand Search)
основіеіііееа\\" » основііііееа\\" (Expand Search), основеіііееа\\" (Expand Search), основныеіііееа\\" (Expand Search), основііеіііееа\\" (Expand Search), основеіеіііееа\\" (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 основіеа\\\") OR основіеіііееа\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіеа\ ) OR основіеіііееа\ )) OR (\ ґрунтова основ\ ))~.