Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
policy optimization » topology optimization
topology estimation » topology optimization

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( policy optimization algorithm ) OR ( topology estimation algorithms ))~".
• Adding a wildcard symbol may retrieve word variants: (( policy optimization algorithm ) OR ( topology estimation algorithms ))*.