Perhaps you should try some spelling variations:
"modified large estimation algorithms" » "modified large estimation algorithm", "modified large optimization algorithms", "modified large optimisation algorithm", "modified pose estimation algorithms", "modified large evaluation algorithms", "modified large variation algorithms", "modified male estimation algorithms"
"modified notion approximation algorithms" » "modified network approximation algorithms", "modified time approximation algorithms", "modified one approximation algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified large estimation algorithms") or ("modified notion approximation algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified large estimation algorithms") OR ("modified notion approximation algorithms"))*.
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