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

Try widening your search to All Fields.

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