Complex sentence: The Germans continued the offensive beyond Fort Vaux, towards the last geographical objectives of the original plan at Fleury and Fort Souville, drove a salient into the French defences, took Fleury, and brought the front line within of the Verdun citadel.
Split into simpler sentences: The Germans continued the offensive beyond Fort Vaux, towards the last geographical objectives of the original plan, at Fleury and Fort Souville. German attacks drove a salient into the French defences, captured Fleury and came within of the Verdun citadel.