Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
policy optimization » topology optimization
evolution algorithm » solution algorithm, evolutionary algorithm, convolution algorithms
learning evolution » learning convolution, learning emotion

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: (( modified policy optimization algorithms ) OR ( machine learning evolution algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( modified policy optimization algorithms ) or ( machine learning evolution algorithm ))*.