Keep an eye out at Hoa Binh Market — you're sure to uncover some unique curio in one of its many stalls. After you've had a thorough browse of things, try some fare from one of the nearby food vendors.
When you've spent a bit of time at this District 5 community marketplace, why not make your way to Ben Thanh Market, Bui Vien Walking Street, and Saigon Square? They're not too far from Hoa Binh Market and also popular with many tourists.