Didn't you get a message saying that your thread got deleted?
At least when a reply gets deleted, you will get a PM with a message and the reply quoted above.
A reply of yours, quoted below, was deleted by a Bitcoin Forum moderator. Posts are most frequently deleted because they are off-topic, though they can also be deleted for other reasons. In the future, please avoid posting things that need to be deleted.
[post here]
Alternately, if you have the thread URL, you can try to get a cached version of it from Google. Just search the thread on Google, click the small arrow next to it and select "Cache". Or add "cache:" before the URL and press enter.