We don't have synonyms for chinas yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are china, chinos and chinar.
(n) :
(historical) A people mentioned in ancient Indian literature from the first millennium BC and first millennium AD, such as the Mahabharata, Laws of Manu, and Puranic literature.
(n) :
(historical) A people mentioned in ancient Indian literature from the first millennium BC and first millennium AD, such as the Mahabharata, Laws of Manu, and Puranic literature.