It returns a 3 whatever I search for??
I haven't tried the widget (instead of the shortcode) yet – is it worth a go?
Or likely not to function?
I would really like this to work – it's by far, the best I've seen, however my times a bit limited on this project – I have to decide today whether to take a chance that we/you can fix it. Or get a simpler one that works.
I don't know if this helps but it functions as it should in the preview window – just not on the live page.