(1) sometimes the FR PTB approve duplicate articles---particularly if its a compelling issue. Even the most dedicated FReeper might miss something important......so having a duplicate is an advantage.
(2) When searching titles, the best results are achieved using key words.....using as few words as possible in the search box.
False.
Paste the full title into the search box and search under titles.
Works every time and does not rely on somebody's notion of what keywords ought to be.