Perhaps you should try some spelling variations:
"perez acosta, jose carlos." » "tellez acosta, jose carlos." (Expand Search), "pereira costa, jose carlos." (Expand Search), "perez cuesta, jose carlos." (Expand Search)
"perez cosio, jose carlos." » "perez cosin, jose carlos." (Expand Search), "perez cobo, jose carlos." (Expand Search), "perez cordon, jose carlos." (Expand Search)