Perhaps you should try some spelling variations:
"czernicki, filipo" » "czernicki, filippo" (Expand Search), "czernicki, filipe" (Expand Search), "czernicki, filio" (Expand Search)
"czerniak, filipo" » "czerniak, filippo" (Expand Search), "czerniak, filipe" (Expand Search), "czerniak, filio" (Expand Search), "cherniak, filipo" (Expand Search), "euczerniak, filipo" (Expand Search), "czenia, filipo" (Expand Search)