Dua after rising from Ruku — full version
رَبَّنَا وَلَكَ الحَمْدُ، مِلْءَ السَّمَوَاتِ وَمِلْءَ...
رَبَّنَا وَلَكَ الحَمْدُ، مِلْءَ السَّمَوَاتِ وَمِلْءَ الأَرْضِ وَمِلْءَ مَا بَيْنَهُمَا، وَمِلْءَ مَا شِئْتَ مِنْ شَيءٍ بَعْد
Rabbana walakal-hamd, mil-us-samawati wamil-ul-ardi wamil-u ma baynahuma wamil-u ma shi/ta min shay-in baAAd
Translation
Our Lord, all praise is Yours, praise that fills the heavens and fills the earth and fills what is between them and fills whatever else You please.
When to recite
Said after rising from the bowing position (Ruku).
Source / Reference
Muslim 1/347