You may want to make sure there's no vermin nearby, we put out poison in bait boxes in careful locations. Goose eggs are quite thick shelled and can be rolled quite a long way by vermin. Also make sure there is nice soft grass or hay nearby she can use to cover them up with if they're showing.
Good luck! Geese are not great parents by the way - most people take their young off them which I thought was a bit calous at first but actually it's what I'll be doing this year, they're just too dopey and forget about them or boot them with their big clumsy legs and feet (well ours are at least)