Will I hit a brick wall further down the line (see image)

[osman]

I want my search to function how I’ve got it above. There will be 3 different categories of things but I want someone to be able to search for one thing and for it to search for all 3 categories. I haven’t had a look yet at how the search function works and just want to know if this would be an issue further down the line or if it is possible to achieve,