Within the requirements module you can filter for specific requirements and choose which columns to see in the table.
To change and add columns to you requirements table, click on the three vertical dots in the top right hand corner of the table as highlighted in the image below.
From the drop down menu choose "Edit visible columns.
In the pop up box, choose which columns you would like to be visible in the requirements table.
To filter requirements, hover over the column you would like to filter and a filter icon will appear.
Click on the filter icon and a box will appear which will allow you to choose how you would like to filter the requirements.