Perhaps you should try some spelling variations:
"modified notion optimisation algorithm" » "modified notion optimization algorithms", "modified notion estimation algorithm", "modified notion estimation algorithms", "modified network optimization algorithm"
"modified make solution algorithm" » "modified make evolution algorithm", "modified make convolution algorithms", "modified make evolutionary algorithm", "modified male solution algorithm", "modified water solution algorithm", "modified nacl solution algorithm"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified make solution algorithm") OR ("modified notion optimisation algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified make solution algorithm\") OR (\"modified notion optimisation algorithm\"))*".
• Removing quotes may allow a broader search: (( modified make solution algorithm ) OR ( modified notion optimisation algorithm ))*.