Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithm" » "modified multiobjective optimization algorithms", "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithm"
"modified time evolution algorithm" » "modified time solution algorithm", "modified time evolutionary algorithm", "modified time convolution algorithms", "modified bi1 evolution algorithm", "modified male evolution algorithm"

You may be able to get more results by adjusting your search query.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified time evolution algorithm") OR ("modified multiobjective optimization algorithm")).
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