As per this blog, you need to follow steps to display related content.

1. Create view (block)
2. Add fields (title, a small image, date, whatever you like). Or teasers, what works as well.
3. “Arguments” is from now on called “Contextual filters”, so go there.
4. Add the filters: “Content: Has taxonomy term ID (with depth)” and “Content: Has taxonomy term ID depth modifier”
5. Configuration on this filter: → When the filter value is NOT in the URL: → Provide default value → Type: Taxonomy Term ID from URL → under that, check the box “Load default filter from node page, that’s good for related taxonomy blocks.” → now check the boxes of the taxonomies you want involved here
6. Now you need to add the second filter in order to exclude the current node from the list. Click [+] button of the contextual filters section.
7. Select Content: Nid
8. Set the ‘when argument is not present’ to ‘Provide default argument’
9. Set the ‘Default argument type’ to ‘Content ID from URL’
10. Go to “MORE” , and check the “Exclude” box.
11. Move the filter “Content: Nid” to the top position.
12. Add a block to your view and embed the block on your node pages
13. Save your view

Grouping :

After following the steps you need to Grouping your Fields using Taxonomy Term. You can group the items in view's Style Settings.

As per this blog, you need to follow steps to display related content.

1. Create view (block)
2. Add fields (title, a small image, date, whatever you like). Or teasers, what works as well.
3. “Arguments” is from now on called “Contextual filters”, so go there.
4. Add the filters: “Content: Has taxonomy term ID (with depth)” and “Content: Has taxonomy term ID depth modifier”
5. Configuration on this filter: → When the filter value is NOT in the URL: → Provide default value → Type: Taxonomy Term ID from URL → under that, check the box “Load default filter from node page, that’s good for related taxonomy blocks.” → now check the boxes of the taxonomies you want involved here
6. Now you need to add the second filter in order to exclude the current node from the list. Click [+] button of the contextual filters section.
7. Select Content: Nid
8. Set the ‘when argument is not present’ to ‘Provide default argument’
9. Set the ‘Default argument type’ to ‘Content ID from URL’
10. Go to “MORE” , and check the “Exclude” box.
11. Move the filter “Content: Nid” to the top position.
12. Add a block to your view and embed the block on your node pages
13. Save your view

Grouping :

After following the steps you need to Grouping your Fields using Taxonomy Term. You can group the items in view's Style Settings.