Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееіііііе\" » основіеіііііе\" (Expand Search), основееіііііе\" (Expand Search), основныееіііііе\" (Expand Search), основііееіііііе\" (Expand Search), основеіееіііііе\" (Expand Search)
основіееі\\" » основіеі\\" (Expand Search), основееі\\" (Expand Search), основныееі\\" (Expand Search), основііееі\\" (Expand Search), основеіееі\\" (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 основіееіііііе\\") OR основіееі\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіееіііііе ) OR основіееі\ )) OR (\ ґрунтова основ\ ))~.