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"
"attribute optimization algorithmssssssssss" » "attribute optimization algorithmsssssssssss", "attribute optimisation algorithmssssssssss", "attribute estimation algorithmssssssssss", "attributed optimization algorithmssssssssss", "attributes optimization algorithmssssssssss"

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