Perhaps you should try some spelling variations:
"modified parameters optimization algorithmssss" » "modified parameters optimization algorithms", "modified parameters optimisation algorithm", "modified parameter optimization algorithmssss", "modified parameter estimation algorithmssss"
"modified objective solution algorithm" » "modified objective evolutionary algorithm", "modified objective allocation algorithm", "modified objective evolution algorithm", "modified objective convolution algorithms"

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