You can search for the Leads that you add to Saleboat by clicking in the search bar and beginning your search.
This search allows you to search for the lead by name, so you'll need to ensure that you spell it correctly.
If you need a slightly more in-depth filter to be applied, like filtering by opportunity value or even the source of the lead, please click on the link below to get a detailed explanation of how and where you can do this: