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

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

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