"40 Rabbana Duas from Quran PDF" – IslamHouse, QuranicQuotes, or MyIslam.org often have verified, high-quality versions.
Allahumma-ghfir li dhanbi kullahu... (O Allah, forgive all my sins...) 40 allahumma duas pdf
It seems you are looking for a — likely the famous collection of 40 prayers starting with "Allahumma" (O Allah), often compiled from the Qur'an and Sunnah for daily recitation. "40 Rabbana Duas from Quran PDF" – IslamHouse,
