Perhaps you should try some spelling variations:
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (Expand Search)
основііеіеііе\\" » основііеііе\\" (Expand Search), основеіеііе\\" (Expand Search), основнііеііе\\" (Expand Search), основіііеіеііе\\" (Expand Search), основеііеіеііе\\" (Expand Search)
основные\" » основе\" (Expand Search), основні\" (Expand Search), основіные\" (Expand Search), основеные\" (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 основііеіеііе\\\") OR основные\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основііе\ OR основііеіеііе\ ) OR основные )) OR (\ ґрунтова основ\ ))~.