Perhaps you should try some spelling variations:
"modified adamfmplexity approximation algorithms" » "modified complexity approximation algorithms", "modified dffmplexity approximation algorithms", "modified nearfmplexity approximation algorithms"
"modified adam evolutionary algorithm" » "modified adam evolution algorithm", "modified adam solution algorithm", "modified df evolutionary algorithm", "modified near evolutionary algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified adam evolutionary algorithm") OR ("modified adamfmplexity approximation algorithms"))~.
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