Perhaps you should try some spelling variations:
"risk optimization algorithms" » "risk optimisation algorithm", "risk estimation algorithms", "risk estimation algorithm", "robust optimization algorithms", "_ optimization algorithms", "game optimization algorithms"
"_ optimizer algorithmss" » "_ optimizer algorithms", "_ optimized algorithms"
"_ optimized algorithm" » "_ optimized algorithms", "_ optimizer algorithms"

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: "((((\"_ optimizer algorithmss\") OR (\"_ optimized algorithm\"))) OR (\"risk optimization algorithms\"))~".
• Removing quotes may allow a broader search: (((( _ optimizer algorithmss ) OR ( _ optimized algorithm ))) OR ( risk optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ optimizer algorithmss") OR ("_ optimized algorithm"))) OR ("risk optimization algorithms"))*.