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

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: (("done optimization algorithmss") OR ("parameters optimization algorithm"))~.
• Removing quotes may allow a broader search: (( done optimization algorithmss ) or ( parameters optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("done optimization algorithmss") or ("parameters optimization algorithm"))*.