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

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 algorithmssssssssssss") OR ("parameters estimation algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"parameter optimisation algorithmssssssssssss\") OR (\"parameters estimation algorithms\"))".
• Removing quotes may allow a broader search: (( parameter optimisation algorithmssssssssssss ) OR ( parameters estimation algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("parameter optimisation algorithmssssssssssss") OR ("parameters estimation algorithms"))*.