I found the English version, but it’s not a detailed explanation. Hope you find it useful.
Link:
-
English translation by James Mallinson(limited version)
https://drive.google.com/file/d/1hRWK70eu_Yamx4zy_56H63lEkbDSGb0s/view?usp=drivesdk -
Translation by Rai Bahadur Vasu
Gheranda-Samhita_english.pdf - Google Drive
Also here is the link of my collection, where you can find other relevant books:
https://drive.google.com/folderview?id=1hojCHXn0ah8Bczp_8wOwa-FbVu5H2sp2
Also you can check for ebooks in one of the largest online archive(atleast that’s my resort for these ebooks )
https://archive.org/details/books
Hope you enjoy reading and improving.
With best regards
JumpingBuddha