Perhaps you should try some spelling variations:
"varela nuria, sergio" » "sagrera nuria, sergio" (Expand Search), "varela laura, sergio" (Expand Search), "garcia nuria, sergio" (Expand Search)
"varela maria, sergio" » "carla maria, sergio" (Expand Search), "karla maria, sergio" (Expand Search), "gardella maria, sergio" (Expand Search)