Map Search Of Club Sites

Is it me, or can someone confirm. Using a map search for club sites, does not reveal West Ayton in Yorkshire or Tewkesbury site just south of M5 / M50 junction. There may be other sites missing that I'm unaware of but these two I can't see on any areas near to the location? I was justlooking for sites to give me some ideas of where to visit next year. No problem finding them on the advanced search list, they just don't show on the map.

Bri