Perhaps you should try some spelling variations:
optimisation » optimizacion, optimezation, utilisation
atomization » atomisation, automatization, customization
atomizacion » autorizacion, automatizacion, optimizacion
factorization » autorizacion, sectorizacion
optimization » optimizacion
same* » some*

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((optimisation or (atomization OR atomizacion)) or factorization) or optimization) of same~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((optimisation OR (atomization OR atomizacion)) OR factorization) OR optimization) of same*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((optimisation or (atomization OR atomizacion)) or factorization) or optimization) of same*".