The Songfile website seems very unfriendly and difficult to use. Are you registered and logged in? If not then you might not see all the results.

It's definitely in there. I'm still finding it with "Shipyard app".

Song Code: S21809
Song Title: SHIPYARD APPRENTICE
Songwriters: FISHER,MILES,VIVIAN CAMPBELL
Publisher:MECHANICAL COPYRIGHT PERFORMANCE SOCIETY (UK)

Try contacting Harry Fox Agency if you're not getting anywhere with the website.