How to manage Knowledge Based Articles Internationally (Based on User Location)?

We're looking for a way to better manage articles globally where users are based in various locations (internationally). 

Currently, we are using the 'Can-Read' field to tag countries on articles so that they are visible to a user in that specific country. E.g. User located in Australia and can view articles where Can-Read is tagged with 'Australia'.

Where an article is visible to everyone (across all countries), this is also tagged in the Can-Read field with 'Global' (the article can have multiple tags).

The issue we currently have is where the user based in one country but working in another, cannot see the article in their home-country. This means they can only view articles that are tagged in their current location. E.g. User's home-base is Australia but is working in Paris cannot see articles from Australia.

What would be the best practice to allow users to view articles related to both their home-country and current residing country?