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

Try widening your search to All Fields.

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