Perhaps you should try some spelling variations:
"_ optimization algorithms" » "_ optimisation algorithm", "_ estimation algorithm", "_ optimized algorithms"
"_ estimation algorithms" » "_ estimation algorithm", "_ optimisation algorithm", "_ approximation algorithms"
"pose optimizer algorithms" » "pose optimized algorithms", "pose optimized algorithm", "poses optimizer algorithms", "post optimizer algorithms", "jose optimizer algorithms"

Try widening your search to All Fields.

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