Rather that typing a long sentence, enter something like 'document separator'. This will return all the articles with the words 'document' or the word 'separator' in the title or keyword list.
To enable email as a source in Umango using an Office365 account, please use the settings below POP Retrieval Settings POP Server: outlook.office365.com Port: 995 SSL: Enabled IMAP Retrieval Settings
[open]