The Terriers have scored twice in the first half of their 3-2 win over Toulouse at Stade de France, while Truffert and Doku provided crucial assists.
In a thrilling encounter between the French champions and the French side, Terrier striker Christian Eriksen had the breakthrough goal in the first half, while midfielder Antoine Griezmann added another to give them a comfortable lead.
However, the visitors responded well in the second half, as they scored two goals in quick succession to level the score before halftime.
With the game tied, it was Truffert and Doku who stepped up to provide the final touch, scoring both goals for the hosts.
Truffert opened the scoring after just five minutes when he headed past the goalkeeper, while Doku converted a penalty following a corner kick.
The match ended with a total of six goals on offer, including three from Truffert and one each from Doku and Griezmann.
The performance from both players is a testament to their ability to create goals and influence matches in such a high-pressure situation.