http://rapidshare.com/files/358455106/giaoduc-nhachot.info.nhp.001.html
http://rapidshare.com/files/358455239/giaoduc-nhachot.info.nhp.002.html
http://rapidshare.com/files/358455116/giaoduc-nhachot.info.nhp.003.html
http://rapidshare.com/files/358455012/giaoduc-nhachot.info.nhp.004.html

or

http://www.megaupload.com/?d=7GZNJ05R
http://www.megaupload.com/?d=0XA5TCQ2
http://www.megaupload.com/?d=5B7NZTCM
http://www.megaupload.com/?d=24H3D9GQ

or

http://www.mediafire.com/?mwlymzitg2y
http://www.mediafire.com/?0z2tzt1jd2j
http://www.mediafire.com/?iymxnymr1mm
http://www.mediafire.com/?zytuwtzftod

After joining files, rename .nhp to .avi