Expand Leads and Opportunities tab and click Leads Pipeline.
You will see the "Filter" button at the top left corner of the page.
On choose Filter page:
You can filter Leads by:
Stages - Will only show leads with particular Sales stage you choose.
Status - Will only show leads with particular Sales status you choose.
Win Prob - you can filter the percentage of probability you need to view.
Campaigns - will only show lead with the campaign you choose.
Records - You can set here how many numbers of row you need to see on the page.
Search - you can filter key words you need to show up on the list.