We don't have synonyms for vale of years yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are vale of tears.
(n) :
(in the singular) The world, a place where difficulties and the sorrows of life are felt, especially (Christianity) as a place to be left behind when one dies and goes to heaven.
(n) :
(in the singular) The world, a place where difficulties and the sorrows of life are felt, especially (Christianity) as a place to be left behind when one dies and goes to heaven.