[{"_id":ObjectId("5a934e000102030405000000"),"specials":{"name":"Malinda"}},{"_id":ObjectId("5a934e000102030405000001"),"specials":{"name":"Alexa"}},{"_id":ObjectId("5a934e000102030405000002"),"specials":{"name":"Joseph"}},{"_id":ObjectId("5a934e000102030405000003"),"specials":{"name":"Charity"}},{"_id":ObjectId("5a934e000102030405000004"),"specials":{"name":"Armand"}},{"_id":ObjectId("5a934e000102030405000005"),"specials":{"name":"Aurore"}},{"_id":ObjectId("5a934e000102030405000006"),"specials":{"name":"Letha"}},{"_id":ObjectId("5a934e000102030405000007"),"specials":{"name":"Davin"}},{"_id":ObjectId("5a934e000102030405000008"),"specials":{"name":"Kamille"}},{"_id":ObjectId("5a934e000102030405000009"),"specials":{"key":"Athena"}}]

db.collection.aggregate([{$match:{"specials.name":{$in:["Malinda","Joseph"]}}}])