Perhaps you should try some spelling variations:
"balcerzak, filip OR filipo " » "balcerzak, filipe OR filipeo " (Expand Search), "balcerzak, filipa OR filipao " (Expand Search), "balcerzak, felip OR felipo " (Expand Search), "balcerzak, filip OR filippo " (Expand Search), "balcerzak, filip OR filipe " (Expand Search), "balcerzak, filip OR filio " (Expand Search)