For raw (untranslated) manga, sites like Raw Manga, Manga Raw, or KissLightRaw might have what you're looking for. However, be cautious with these sites as they may not always be legal or safe.
However, smaller aggregators (including Welovemanga clones) or Spanish-language manga sites (TMO, LeerManga, MangaLatino) sometimes host obscure raws. If you found the keyword via search engine suggestions, the chapter likely exists in low-circulation form. For raw (untranslated) manga, sites like Raw Manga,