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

Try widening your search to All Fields.

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