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

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("one optimized algorithms") or ("cost optimized algorithm"))) or ("_ estimation algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("one optimized algorithms") OR ("cost optimized algorithm"))) OR ("_ estimation algorithms")).
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