db={"inventory":[{"_id":1234,"title":"A","inventory":[{"location":"1","barcodes":[1000,1006,1012]},{"location":"2","barcodes":[1001,1007,1013]}]},{"_id":1235,"title":"B","inventory":[{"location":"1","barcodes":[1002,1008,1014]},{"location":"3","barcodes":[1003,1009,1015]}]},{"_id":1236,"title":"C","inventory":[{"location":"2","barcodes":[1004,1010,1016]},{"location":"3","barcodes":[1005,1011,1017]},{"location":"1","barcodes":[1004,1011]}]}]}

db.inventory.find({"inventory.barcodes":{$in:[1001,1011]}},{_id:1,inventory:1})