Perhaps you should try some spelling variations:
"modified objective allocation algorithm" » "modified objective estimation algorithm", "modified objective predation algorithm", "modified objective solution algorithm"
"modified large evolution algorithm" » "modified large solution algorithm", "modified large evolutionary algorithm", "modified large convolution algorithms", "modified large evaluation algorithm", "modified early evolution algorithm", "modified oxygen evolution algorithm", "modified male evolution algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified objective allocation algorithm") OR ("modified large evolution algorithm"))~.
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