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.
Umango 23 runs an SQL Server database. In a default initial installation, a new SQL Server Express 2017 instance called "SQLUMANGO" is created. In addition, a new database called "Umango" is created in the SQL Server instance and its data files are stored in the folder: