400. That’s an error.
Google cannot redirect you to http://www.abebooks.de/servlet/SearchResults?tn=Das+alpaca,+seine+einf%C3%BChrung+den+brittischen+inseln,+betrachtet+als+ein+nationalvortheil+als+ein+gegenstand+unmittelbarer+n%C3%BCtzlichkeit+f%C3%BCr+landwirthe+fabrikanten because the request was invalid.
This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.