I wonder why that might be?
I do believe they exist even though I personally can't produce them. I would suggest it's directly related to why out of 6 million Jews living in Israel, only about 20K say they believe Yeshua was the Messiah. The Gentile was entrusted to safeguard the message, however poorly, until the time of the Gentile is finished when, IMO, the message will be restored to its original meaning and preached throughout the world. I also wouldn't rule out the possibility of new discoveries contributing greatly, as I recently saw in the news where additional Dead Sea documents are being examined even now for the first time.
In that case, we can all safely ignore your unsupported assertion that it is "blatantly obvious that much was lost in translation from Hebrew to Aramaic and then to Greek." You have no way of knowing what was allegedly originally written by the apostles in Hebrew or Aramaic. Proof by, "I'm sure it must be out there somewhere," is proof of nothing.