You can use the Task Filters to find a specific Task
Alternatively you can find a task by using Task Search
You can access the Task Filters from several places
Wherever you access Task Filters from, the steps are the same
Steps
Press the Filters button
A box appears with a list of filter options
Open each type of filter to set the filtering criteria
Then press Apply
The list of tasks displayed will update accordingly
Press Reset to reset the filters