Perhaps you should try some spelling variations:
"attributes optimization algorithmssssssss" » "attributes optimization algorithms", "attribute optimization algorithmssssssss", "attributes optimization algorithmsssssssss", "attributes optimisation algorithmssssssss", "attributes estimation algorithmssssssss"
"parameters optimization algorithm" » "parameter optimization algorithm", "parameter estimation algorithm", "parameters optimization algorithms", "parameters optimisation algorithm", "parameters estimation algorithm"

Try widening your search to All Fields.

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

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