رَبَّنَا اغْفِرْ لَنَا ذُنُوبَنَا وَإِسْرَافَنَا فِي أَمْرِنَا وَثَبِّتْ أَقْدَامَنَا وَانصُرْنَا عَلَى الْقَوْمِ الْكَافِرِينَ
Translation
Our Lord, forgive us our sins and the excess [committed] in our affairs and plant firmly our feet and give us victory over the disbelieving people.
Ask Allah to Forgive All Wrong Actions
How to Ask Allah to Forgive Your Sins (Surah Ali Imran)
Ask Your Lord for Mercy - Quran Dua
Ask Allah to Help You Pray and Forgive Your Family (From Surah Ibrahim)
Ask Allah to Forgive and Help You Obey (Surah Baqara)
Ask Allah for Good in This Life and the Next