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

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: (( some optimisation algorithm ) OR ( parameter estimates algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (( some optimisation algorithm ) or ( parameter estimates algorithms ))*.