That leaves them with just three games left to try to break their duck, beginning with Saturday's trip to Cardiff, and despite the Blues' struggles this season, Troiani is expecting a fierce contest.
He said: "Against Edinburgh we showed again that we can keep hold of the ball and play good rugby but we didn't have any luck.
"We're waiting to win a game, we will try again with even more focus on trying to find that emotion which allows you to give everything on the pitch in search of a win.
"We will do it in each of our three remaining games, the players are convinced they can do it before the end of the season.
"We will take on a Cardiff team who haven't had a great season, notably because of a few important injuries. Several of their players were involved with the national team who finished the Six Nations on a high.
"We expect them to be a hardened team, in the table it looks like it's an achievable challenge but we know it won't be easy. We expect them to be aggressive and determined to win, like us."
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