[{"_id":"6092076ba811e50b565497ec","username":"test@gmail.com","address_book":[{"_id":"6092b1120f7e370b954a2708","address":"address1","address2":"address2",},{"_id":"6093edcb88796b0a5eba19a3","address":"test1","address2":"test2",}]}]

db.collection.find({},{address_book:{$elemMatch:{address:"test1"}}})