In Tasks screen in top right corner there are sort options that can be applied: by name (ascending and descending) and by due date (ascending and descending). You can use them to present the list in the way you like.
Also on main Tasks screen there is a search option that will allow you to type name of the task and narrow the result list or pinpoint the exact task. Just click on the search icon in the corner and type in search query in bracket that appears:
Finally, whey you open a task if they are linked to a Deal or a Contact, the orange button on the screen will show the name. After you click on it you will be redirected to Deal or Contact where tasks is set and update yourself on the ongoing interaction prior of completing a task.