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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"attribute optimization algorithm\") OR (\"parameters optimization algorithms\"))~".
• Removing quotes may allow a broader search: (( attribute optimization algorithm ) OR ( parameters optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("attribute optimization algorithm") OR ("parameters optimization algorithms"))*.