Perhaps you should try some spelling variations:
"parameter optimisation algorithm" » "parameter optimization algorithms", "parameter estimation algorithm", "parameter estimation algorithms", "parameter optimization algorithm"
"notion optimization algorithmssssssssssssss" » "network optimization algorithmssssssssssssss", "policy optimization algorithmssssssssssssss", "allocation optimization algorithmssssssssssssss"

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

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