Perhaps you should try some spelling variations:
optimization algorithmss » optimization algorithms, estimation algorithms, estimation algorithm
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
policy optimisation » topology optimization
policy optimization » topology 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: (( policy optimisation algorithm ) OR ( policy optimization algorithmss ))~.
• Adding a wildcard symbol may retrieve word variants: (( policy optimisation algorithm ) or ( policy optimization algorithmss ))*.