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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("risk optimized algorithms") OR ("risk optimized algorithm"))) or ("_ estimation algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("risk optimized algorithms") OR ("risk optimized algorithm"))) OR ("_ estimation algorithms"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"risk optimized algorithms\") OR (\"risk optimized algorithm\"))) or (\"_ estimation algorithms\"))*".
• Removing quotes may allow a broader search: (((( risk optimized algorithms ) OR ( risk optimized algorithm ))) or ( _ estimation algorithms ))*.