Perhaps you should try some spelling variations:
"_ optimization algorithms" » "_ optimisation algorithm", "_ estimation algorithm", "_ optimized algorithms"
"cover estimation algorithms" » "cover estimation algorithm", "cover optimisation algorithm", "cover approximation algorithms", "cover estimations algorithms", "pose estimation algorithms", "sphere estimation algorithms"
"_ optimized algorithm" » "_ optimized algorithms", "_ optimizer algorithms"

Try widening your search to All Fields.

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