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