By what means and resources can a coincidence be found so quickly?

I shall take this to mean "How did you dig up my bullshit so quickly?".

another translation is, "Tell me how to avoid getting caught copy-pasting someone's posts"

Exactly. Before starting this thread the OP already asked and got an answer in the Russian section: https://bitcointalk.org/index.php?topic=2613277.msg48390609#msg48390609