Perhaps you should try some spelling variations:
"modified near optimisation algorithm" » "modified near optimization algorithms", "modified near estimation algorithm", "modified near estimation algorithms", "modified _ optimisation algorithm", "modified network optimization algorithm", "modified seird optimisation algorithm", "modified adam optimisation algorithm"
"modified passive solution algorithm" » "modified passive evolution algorithm", "modified passive convolution algorithms", "modified passive evolutionary algorithm", "modified adaptive solution algorithm", "modified positive solutions algorithm", "modified saline solution algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified near optimisation algorithm") OR ("modified passive solution algorithm"))~.
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