Perhaps you should try some spelling variations:
"modified topology optimisation algorithm" » "modified topology optimization algorithms", "modified topology estimation algorithm", "modified topology estimation algorithms", "modified topology optimization algorithm", "modified policy optimization algorithm"
"modified delphi evolution algorithm" » "modified delphi solution algorithm", "modified delphi evolutionary algorithm", "modified delphi convolution algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified delphi evolution algorithm") or ("modified topology optimisation algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified delphi evolution algorithm") OR ("modified topology optimisation algorithm"))*.
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