I once got a phone call from a work colleague, early on a Sunday morning, we were both at home at the time; "Ey up, where's mi car keys?"
Bear in mind we hadn't seen each other since finishing on Friday and I had never been to his house.
"How do I know?" I responded, flummoxed at why he would have called me with such a query.
"Well I've looked everywhere and I just thought you might have an idea"
Back at work on Monday he said he'd found the keys just after calling me so it must have sparked something.
I always say the name of what I'm looking for repeatedly as I'm looking, supposedly focusses your attention on the task according to psychologists.
Regards mick