Perhaps you should try some spelling variations:
"modified delphi convolution algorithms" » "modified delphi solution algorithm"
"modified made evolution algorithm" » "modified made solution algorithm", "modified made evolutionary algorithm", "modified made estimation algorithm", "modified sales evolution algorithm", "modified time evolution algorithm", "modified male evolution algorithm", "modified adam evolution algorithm", "modified df evolution algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified made evolution algorithm") OR ("modified delphi convolution algorithms"))~.
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