chăng
adv

(archaic) not any, not even
(often in rhetorical questions) is it that; is it; surely

(rare) Synonym of chăng nữa

chẳng
adv

not at all
even if not
if not
there is not

vầy
adj

such, like this

丕
character

chữ Hán form of phi (“large; grand”).
Nôm form of vầy (“such; like this”).
Nôm form of vậy (“so; thus”).