In addition to that link, the following links download 0 byte files:
http://ryushare.com/zpsyml5jkxti/Naturalhigh_NHDTA-198.part08.rar
http://ryushare.com/yq3icznfw6ai/Naturalhigh_NHDTA-190.part11.rar
Other than that, all the parts of NHDTA-200 downloaded correctly but I haven't tried...