I have no concrete examples, but even with '+"term"' I've had google return results with "ten" bolded as if it matched, with "term" nowhere on the page. EDIT:

I have no concrete examples, but even with '+"term"' I've had google return results with "ten" bolded as if it matched, with "term" nowhere on the page. EDIT: Not those exact terms obviously, but that degree of "That's almost completely different to what I typed!"