Perhaps you should try some spelling variations:
"cortes sanchez, marta" » "torres sanchez, marta" (Expand Search), "montes sanchez, marta" (Expand Search), "morales sanchez, marta" (Expand Search)
"correa sanchez, marta" » "torres sanchez, marta" (Expand Search), "corral sanchez, marta" (Expand Search), "cabrera sanchez, marta" (Expand Search)