Perhaps you should try some spelling variations:
"done optimized algorithm" » "done optimized algorithms", "done optimizer algorithms", "dong optimized algorithm", "one optimized algorithm", "don optimized algorithm"
"jose optimized algorithm" » "jose optimized algorithms", "jose optimizer algorithms"
"risk estimation algorithm" » "pose estimation algorithm"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("done optimized algorithm") or ("jose optimized algorithm"))) or ("risk estimation algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("done optimized algorithm") OR ("jose optimized algorithm"))) OR ("risk estimation algorithm")).
• Removing quotes may allow a broader search: (((( done optimized algorithm ) or ( jose optimized algorithm ))) or ( risk estimation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("done optimized algorithm") or ("jose optimized algorithm"))) or ("risk estimation algorithm"))*.