When the Prophet ﷺ raised his head from bowing, he would say, "Allah hears whoever praises Him. Our Lord, to You belongs all praise, filling the heavens, filling the earth, and filling whatever else You wish beyond them."
حدثنا محمد بن عبد الله بن نمير حدثنا وكيع حدثنا الأعمش عن عبيد بن الحسن
كان النبي ﷺ إذا رفع رأسه من الركوع قال سمع الله لمن حمده اللهم ربنا ولك الحمد ملء السموات وملء الأرض وملء ما شئت من شيء بعد
Muslim narrated it in the Book of Prayer, chapter on what one says when raising one's head from ruku, hadith no. 476, from the hadith of Waki and others, with this wording.