Perhaps you should try some spelling variations:
"parameters optimization algorithm" » "parameter optimization algorithm", "parameter estimation algorithm", "parameters optimization algorithms", "parameters optimisation algorithm", "parameters estimation algorithm"
"attributed optimization algorithmssssssssss" » "attribute optimization algorithmssssssssss", "attributed optimization algorithmsssssssssss", "attributed optimisation algorithmssssssssss", "attributed estimation algorithmssssssssss"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("parameters optimization algorithm") OR ("attributed optimization algorithmssssssssss"))~.
• Removing quotes may allow a broader search: (( parameters optimization algorithm ) or ( attributed optimization algorithmssssssssss ))~.
• Adding a wildcard symbol may retrieve word variants: (("parameters optimization algorithm") or ("attributed optimization algorithmssssssssss"))*.