Search the using the Hindi terms: अष्टांग संग्रह हिंदी टीका . You will find scanned versions of books published by Chaukhamba Surbharati Prakashan (a reputable Ayurvedic publisher). Ensure the scanning date is recent (post-2010) for clarity.
There are also digitized copies of older, out-of-copyright manuscripts and printings. These are valuable for research but may lack modern, easy-to-read Hindi translations. Ashtanga Sangraha Hindi Pdf