The number of “Good Goblin Housekeeping” cards referred to by the effect is counted at resolution of this effect. So, if you have no copies of “Good Goblin Housekeeping” in your Graveyard, and you activate “Good Goblin Housekeeping” and chain “Emergency Provisions” to send it to the Graveyard, you would draw 2 cards.
You can activate this card when you have no copies of “Good Goblin Housekeeping” in your Graveyard. You will draw 1 card in this case, then return 1 card from your hand to the bottom of your Deck.