Try the web site GoSection8.com, it has a bunch of section 8 rentals available. Also, if you are sweet to the landlord it helps, but try Craigslist. Some rentals are not advertised as section 8, but will turn in to one, once they learn the real story on how they get paid.
Craigslist is where you will find the most rentals and best property descriptions. Once and while there will be a scam, but these are usually easy ot spot because the asking rental amount is much lower than market rent. If you think you are being scammed, you can look up the owner of the property at the Santa Cruz County Recorder's website (just google it or ask a Realtor to do it for you). You should also buy the local newspaper (In Santa Cruz, its the Senitnal) because some property owners still don't use computers. However, the most volume and most complete descriptions of most rental property available is Craigslist.org. If you are still having trouble, call the property managers from the phone book.... more