Perhaps you should try some spelling variations:
"modified notion optimization algorithms" » "modified notion optimisation algorithm", "modified notion estimation algorithm", "modified notion optimized algorithms", "modified network optimization algorithms", "modified policy optimization algorithms", "modified allocation optimization algorithms"
"modified charging estimation algorithms" » "modified charging estimation algorithm", "modified charging optimisation algorithm", "modified charging approximation algorithms", "modified charging station algorithms", "modified caging estimation algorithms", "modified carbon estimation algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified charging estimation algorithms") OR ("modified notion optimization algorithms"))~.
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