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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( parameters estimation algorithms ) OR ( game optimization algorithmssss ))~".
• Adding a wildcard symbol may retrieve word variants: (( parameters estimation algorithms ) OR ( game optimization algorithmssss ))*.