You will have to search for any Documents you want. Older posts are hidden beyond newer posts. To view any document, you need to:
1st: Type the title of your wanted doc in the search box, just above the facebook like box. Then, press search.
2nd: There will be a list of result. See your favourite? click on the title.
3rd: Click on the "Click here to link" just below the title and download your copy.
4th: If you still can't see any docs you want, try manual search, by clicking on certain category on "What Has Been Posted?" at the bottom of the page.