The difficult but probably easiest way would be to go to your profile & bring up the list of all your posts. Then highlight & copy each one into a text document like word or even onto notepad. Save & print from that.

I don't know of a way from this site to do anything like that other that with all that work. Since you only have about 350 posts, it's not like my 13,000+ posts. Looking at the list you can pick the helpful ones