If you can put her litterbox and/or a worn but unwashed t shirt or pair of smelly shoes of yours out on the deck this may help lead her home
Go around the neighbourhood at dusk/dawn calling her, rattling a treat container or tap a spoon on her dish or tin of food. Bring a flashlight to pick up the shine off her eyes from under cars/decks/bushes or up trees.
If you can poster the neighbourhood, plus leave one w/ local businesses, grocery stores, vets & all animal shelters in the area that will help garner attention that this girl has a home who wants her back
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