Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
optimization algorithm » optimization algorithms, estimation algorithm, estimation algorithms
learning optimisation » staffing optimization
when learning » deep learning, how learning, shot learning

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: (( when learning optimisation algorithm ) OR ( modified bayesian optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( when learning optimisation algorithm ) or ( modified bayesian optimization algorithm ))*.