Perhaps you should try some spelling variations:
"parameter optimization algorithms" » "parameter optimisation algorithm", "parameter estimation algorithms", "parameter estimation algorithm", "parameters optimization algorithms"
"write optimization algorithmssssssssss" » "write optimisation algorithmsssssssss", "write estimation algorithmssssssssss", "write estimation algorithmsssssssss", "game optimization algorithmssssssssss", "qoe optimization algorithmssssssssss", "stage optimization algorithmssssssssss"

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

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