Perhaps you should try some spelling variations:
"modified invasive evolutionary algorithm" » "modified invasive evolution algorithm", "modified invasive solution algorithm", "modified passive evolutionary algorithm"
"modified parameters optimized algorithm" » "modified parameters optimized algorithms", "modified parameters optimizer algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified invasive evolutionary algorithm\") OR (\"modified parameters optimized algorithm\"))~".
• Removing quotes may allow a broader search: (( modified invasive evolutionary algorithm ) OR ( modified parameters optimized algorithm ))~.
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