1 for the ponchiki - in polish I believe they are pączki, and the marked a is like an "ang" sound.
2. Call polka in glendale and warszawa in santa monica. if they don't have them, they might know who does.
As well, longshot -
poland has a consulate in los angeles. MAYBE someone there can help - or give you a lead, if they do POST IT HERE
12400 Wilshire Blvd
Los Angeles, CA 90025
My father would refer to them as ponchiki ("пончики") , fully in agreement with the wikipedia entry.
If I were desperate, I'd look for beignets:
Or, worst case scenario, Frittelli doughnuts.