Perhaps you should try some spelling variations:
estimation algorithmssss » estimation algorithms, estimation algorithm
attributed optimisation » attribute optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
parameters estimation » parameter estimation, parameter estimates, parameter 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: (( parameters estimation algorithmssss ) OR ( attributed optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( parameters estimation algorithmssss ) or ( attributed optimisation algorithm ))*.