I'm assuming you mean to search within the existing list of notes & replies for the selected npub? A bit like https://advancednostrsearch.vercel.app/?npub=npub13pnmakf738yn6rv2ex9jgs7924renmderyp5d9rtztsr7ymxg3gqej06vw&query=Ordinals
#YESTR exactly like that, visible when you click 🔍 icon on the profile page