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