Perhaps you should try some spelling variations:
"herrero pablo, cesar" » "guerrero pablo, cesar" (Expand Search), "peredo pablo, cesar" (Expand Search), "herrera pardo, cesar" (Expand Search)
"herrero paola, cesar" » "herrero maria, cesar" (Expand Search), "herrero pilar, cesar" (Expand Search), "ferro paola, cesar" (Expand Search)