Some independent or niche platforms like Kolektiva.media or Anarchy.tube have hosted versions with subtitles for educational or archival purposes.
For those who already possess a digital copy of the film (AVI, MP4, MKV) but require the text track, the search is often for an .SRT file. la estrategia del caracol english subtitles
If you are watching with English subtitles, pay close attention to the title’s metaphor. The strategy is explained in the film with a twisted piece of logic: Some independent or niche platforms like Kolektiva
As of recent years, the official film has been uploaded to YouTube by the distributor (the TV network shares a name with the film's title, but they are different). The official upload sometimes includes community-contributed or official closed captions. MKV) but require the text track