Whoops! Given that group of URLs, I did the obvious experimenting. And I know darn well that
Kali ini saya akan Membahas ...
is neither Norwegian (.no) nor any language spoken in Norway (also .no). G### Translate, which ought to know, says it's Indonesian. Turns out "no" was not a good choice of first try-- but the form "language-adsense" or "adsense-language" is wholly random, arbitrary and capricious. Some are blank pages, some aren't even registered. You'd expect a pattern wouldn't you?