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

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: "((\"attributed optimization algorithm\") OR (\"parameter optimization algorithmssssssssss\"))~".
• Removing quotes may allow a broader search: (( attributed optimization algorithm ) OR ( parameter optimization algorithmssssssssss ))~.
• Adding a wildcard symbol may retrieve word variants: (("attributed optimization algorithm") OR ("parameter optimization algorithmssssssssss"))*.