One exposed filter with different values in one view
you can use views autocomplete filters, add all fields you wish in the view, including the ones with a relationship (can be: contentypes, commerce products and commerce line itmes with propper relationships), then on add an exposed filter choose: Global: Combine fields filter, and on filter settings select all fields you wish to filter on, like the image below. This wokrs on D7 &amp; D8. Enjoy.