Perhaps you should try some spelling variations:
"policy optimisation algorithm" » "policy optimization algorithms", "policy estimation algorithm", "policy estimation algorithms", "policy optimization algorithm", "topology optimization algorithm"
"_ optimized algorithms" » "_ optimized algorithm", "_ optimizer algorithms", "_ optimization algorithms", "_ optimised algorithms"
"_ optimize algorithms" » "_ optimizer algorithms", "_ optimized algorithm", "_ optimization algorithms", "_ optimise algorithms"

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 ((("_ optimize algorithms") OR ("_ optimized algorithms"))))~.
• Removing quotes may allow a broader search: (( policy optimisation algorithm ) or ((( _ optimize algorithms ) or ( _ optimized algorithms ))))~.
• Adding a wildcard symbol may retrieve word variants: (("policy optimisation algorithm") or ((("_ optimize algorithms") or ("_ optimized algorithms"))))*.