Because the brand is vintage/retro (Philco was huge in radios/TVs in the mid-20th century), but now they slap their name on modern Chinese-made appliances. Or because "Philco" sounds like "filco" or "pulco" – but the query is actually correct.
That is an interesting search query, because it combines a misspelling with a specific product need. philco aire acondicionado portátil manual
Searching "Philco aire acondicionado portátil manual PDF" or going to Philco’s Latin American or Spanish website (e.g., philco.com.ar, philco.es) and checking the "soporte" or "descargas" section would work. Because the brand is vintage/retro (Philco was huge
Was there a specific part of that post you found curious – the spelling, the brand, or the language mix? or the language mix?