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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("attributed optimization algorithm") OR ("parameter optimization algorithmsssssssss"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"attributed optimization algorithm\") OR (\"parameter optimization algorithmsssssssss\"))".
• Removing quotes may allow a broader search: (( attributed optimization algorithm ) OR ( parameter optimization algorithmsssssssss )).
• Adding a wildcard symbol may retrieve word variants: (("attributed optimization algorithm") OR ("parameter optimization algorithmsssssssss"))*.