how do I organize my documents into files on pages?

From the documents view, tap and drag one file until it is over another and then release. Type a name for the folder, tap Done (on the keyboard), the Done (upper right of screen).

http://help.apple.com/pages/ipad/2.2/#/tan724890f7

I have several 'folders' with multiple separate documents in my Pages on my iPad, but I would like to reorder these documents. How can I do that?

Folders and files are arranged alphabetically by name. There is no other sort method.