Perhaps you should try some spelling variations:
"game optimization algorithmssss" » "game optimisation algorithm", "game optimisation algorithmsss", "game estimation algorithmssss", "game estimation algorithmsss", "stage optimization algorithmssss", "qoe optimization algorithmssss", "market optimization algorithmssss"
"parameters optimization algorithms" » "parameter optimization algorithms", "parameter estimation algorithms", "parameters optimisation algorithm", "parameters estimation algorithms", "parameters estimation algorithm"

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

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