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