Since the phrase is slightly ambiguous (it could refer to a physical instruction manual being sent to a person named Otto Arango, or a metaphorical "manual" for a project/system), I have written two short versions. Choose the one that best fits your context.
2. Definiciones Clave
Why is this Manual so Sought After?
The search for the PDF or physical copy of the "Manual enviados a servir otto arango" usually spikes when a church is undergoing one of three processes: