Dua to Remove Sorrow & Grief:

رَبِّ ٱشْرَحْ لِى صَدْرِى * وَيَسِّرْ لِىٓ أَمْرِى

Rabbi-shraḥ lī ṣadrī, wa yassir lī amrī

My Lord! relieve my mind / And ease my task for me

Qur'an 20:25–26