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

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

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