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

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

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