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

Try widening your search to All Fields.

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 algorithm") OR ("risk optimizer algorithms"))) or ("_ optimisation algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("risk optimized algorithm") OR ("risk optimizer algorithms"))) OR ("_ optimisation algorithm")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"risk optimized algorithm\") OR (\"risk optimizer algorithms\"))) or (\"_ optimisation algorithm\"))".
• Removing quotes may allow a broader search: (((( risk optimized algorithm ) OR ( risk optimizer algorithms ))) or ( _ optimisation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("risk optimized algorithm") OR ("risk optimizer algorithms"))) or ("_ optimisation algorithm"))*.