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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( some optimization algorithmss ) or ( parameters optimization algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( some optimization algorithmss ) OR ( parameters optimization algorithms ))*.