While Mouj does not release free PDFs, they have released "Best of Chandoba" compilations on Amazon Kindle. If you want better quality for 2000–2006, buying the official e-book for a few dollars gives you perfect, clean text.
To get a "better" result, do not type the whole long tail keyword into Google. Instead, use Boolean Search on Google:
If you find a collection (1960–2006), prioritize these legendary issues:
