I've asked a few questions in i tunes, but can never find my posts later.

So, my question: once I post a problem or concern, is the post then deleted? I've been lucky in that two people responded to my i tunes problems and gave me a quick fix, i.e. told me how to re download two movies I had been missing. Basically new to the community scene, about 5 days worth, here and there. Sorry to be redundant, but how do I find my early posts, questions, if possible? thank you. Lee K