I had a pretty simple solution... but not sure will works for all cases...
1st, u need to have a moderate accurate multimeter in ohmic sensing. my case i m using fluke-177.
let say short occur in between Vcc and GND, u can check the ohmic of in between them, and problem now is to find the location, since VCC and GND is everywhere in ur circuit.
a total short circuit will shows 0.1ohm in my multimeter, and the short circuit VCC shows value of 0.3ohm. means it is a little short in somewhere else. Then i fix my negative probe at GND at a specific location, n positive probe will try to probe the VCC at others location. u might found some places have a little bit lower ohmic value, like 0.2ohm... or maybe even higher value. when u found the smaller value, tat's will be ur location the traces short circuit.
this help narrow down the debugging area, then rest of it u need to find the most possible short circuit location with ur intuition.
Hope this can help... i just found out this is quite easy and useful...