Type in the info you want on the search bar and hit search. Next, below it, choose which area you wish it to search (i.e. 38 CFR, M 21 or “all” which includes Google search.
The obvious beauty of this is we no longer have to pore over endless M 21 drivel to find an appropriate cite. Granted we do not use the M 21 for anything more than pure entertainment but it’s nice to slap a rater with his own stupidity by citing their perceived “correct” section.