When working with a lot of queries one of the great timesavers in db view is using Alt P to load previous search terms. Please find a way to bring this to unified view. Perhaps a "Load Previous" button in the search window? Or a user option to always have previous terms load if they want them to?
See also idea https://renxt.ideas.aha.io/ideas/RENXT-I-10312 for similar behaviour needed when searching Campaigns, Funds and Appeals.