Perhaps you should try some spelling variations:
"modified based evolution algorithm" » "modified based solution algorithm", "modified based evolutionary algorithm", "modified based convolution algorithms", "modified based evaluation algorithm", "modified based solutions algorithm", "modified sales evolution algorithm", "modified male evolution algorithm"
"designed network approximation algorithms" » "defined network approximation algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("designed network approximation algorithms") OR ("modified based evolution algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"designed network approximation algorithms\") OR (\"modified based evolution algorithm\"))".
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