Perhaps you should try some spelling variations:
optimization algorithmsss » optimization algorithms, optimisation algorithm, estimation algorithms
parameters optimization » parameter optimization, parameter estimation
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
risk optimization » robust optimization, _ optimization, game 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 optimization algorithm ) OR ( risk optimization algorithmsss ))~.
• Adding a wildcard symbol may retrieve word variants: (( parameters optimization algorithm ) or ( risk optimization algorithmsss ))*.