Perhaps you should try some spelling variations:
optimizaro » optimizar, optimizado, optimizara
optimizaron » optimizarn, optimizadon, optimizaran, optimizacion, optimization, optimizar
optimizarlo » optimizarlos, optimizarla, optimizarlas
optimized » optimizar, optimizard
optimizard » optimizar, optimizara, optimizando
optimaso » optimas, optimasy, optimando
optimize » optimizar
optimoso » optimos, optimo, optimas

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((optimismo or ((optimizaro or (optimizarlo or optimizaron)) or (optimized OR optimizard))) or optimaso) or optimize) or optimoso)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((optimismo OR ((optimizaro OR (optimizarlo OR optimizaron)) OR (optimized OR optimizard))) OR optimaso) OR optimize) OR optimoso).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((optimismo or ((optimizaro or (optimizarlo or optimizaron)) or (optimized OR optimizard))) or optimaso) or optimize) or optimoso)".
• Adding a wildcard symbol may retrieve word variants: ((((optimismo or ((optimizaro or (optimizarlo or optimizaron)) or (optimized OR optimizard))) or optimaso) or optimize) or optimoso)*.