Perhaps you should try some spelling variations:
"via estimation algorithms" » "via optimization algorithms", "via optimisation algorithm", "via approximation algorithms", "risk estimation algorithms", "_ estimation algorithms"
"a simulation algorithm" » "a solution algorithm", "a optimisation algorithm", "a evolution algorithm", "_ simulation algorithm"
"pose estimation algorithm" » "poses estimation algorithm", "post estimation algorithm", "jose estimation algorithm"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("pose estimation algorithm") or ((("via estimation algorithms") or ("a simulation algorithm"))))~.
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