Nosebleed, are the two chapters you are referring to these ones? They have been untranslated for a while.

-http://g.e-hentai.org/g/780895/c32486fcd1
-http://g.e-hentai.org/g/780903/151fc104cb

I have also been unable to find translations for this standalone release.

-http://g.e-hentai.org/g/682420/3bcaec473c/

Thanks for the amazing work!