Perhaps you should try some spelling variations:
duran gutierrez » tuiran gutierrez (Expand Search), juan gutierrez (Expand Search), diaz gutierrez (Expand Search)
ruano gutierrez » serrano gutierrez (Expand Search), ruiz gutierrez (Expand Search), arevalo gutierrez (Expand Search)
celia maria » delia maria (Expand Search), cilia maria (Expand Search), nelia maria (Expand Search)