Perhaps you should try some spelling variations:
"attributes optimization algorithmss" » "attributes optimization algorithms", "attributes optimisation algorithm", "attributes estimation algorithms", "attribute optimization algorithmss", "attributes optimization algorithmsss", "attributes optimisation algorithmss", "attributes estimation algorithmss"
"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: (("attributes optimization algorithmss") or ("parameters optimization algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("attributes optimization algorithmss") OR ("parameters optimization algorithm")).
• Removing quotes may allow a broader search: (( attributes optimization algorithmss ) or ( parameters optimization algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("attributes optimization algorithmss") or ("parameters optimization algorithm"))*.