Perhaps you should try some spelling variations:
основеіііе\\" » основіііе\\" (Expand Search), основеііе\\" (Expand Search), основніііе\\" (Expand Search), основіеіііе\\" (Expand Search), основееіііе\\" (Expand Search)
основеіііеііе\" » основіііеііе\" (Expand Search), основеііеііе\" (Expand Search), основніііеііе\" (Expand Search), основіеіііеііе\" (Expand Search), основееіііеііе\" (Expand Search)
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (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 ((основеіііе\\\" OR основеіііеііе\\") OR основеі\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеіііе\ OR основеіііеііе ) OR основеі\ )) OR (\ ґрунтова основ\ ))~.