Du'a using Allah's Name Al-Waajid

اللَّهُمَّ يَا وَاجِدُ أَنْتَ الْغَنِيُّ فَأَغْنِنَا

Allahumma ya Waajidu antal Ghaniyyu fa'ghnina

O Allah, The Finder, You are the Wealthy, so enrich us.

A general supplication, not a narration from the Prophet (peace be upon him).