How to use the OR operator in Views?
Add a Relationship Content: Taxonomy terms on node under Advanced section:

Select the vocabulary:

Add the filter Taxonomy term: Name.

Enter Value  Accountancy. 

Click "And/Or, Rearrange" for the Filter Criteria and make it read like: 



  Content: Published Yes AND (Content: Type = Accountancy OR (term) Taxonomy term: Name = Accountancy)