Perhaps you should try some spelling variations:
"parameters optimization algorithms" » "parameter optimization algorithms", "parameter estimation algorithms", "parameters optimisation algorithm", "parameters estimation algorithms", "parameters estimation algorithm"
"same optimization algorithmssssssssss" » "same optimisation algorithmsssssssss", "same estimation algorithmssssssssss", "same estimation algorithmsssssssss", "game optimization algorithmssssssssss", "stage optimization algorithmssssssssss", "qoe 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: (("same optimization algorithmssssssssss") or ("parameters optimization algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("same optimization algorithmssssssssss") OR ("parameters optimization algorithms")).
• Removing quotes may allow a broader search: (( same optimization algorithmssssssssss ) or ( parameters optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("same optimization algorithmssssssssss") or ("parameters optimization algorithms"))*.