From the Mileage list you can:
Search for a trip: On your mobile, pull down the mileage list to enable the search function or use the search bar on your desktop.
View a trip: Select the item to open the trip.
Filter: You can narrow down your search by applying a filter, simply click on the filter icon at the top right of your screen and select your filters.
Your applied filters are always cached so you always return to the same filtered list.