Perhaps you should try some spelling variations:
"modified multiobjective optimized algorithm" » "modified multiobjective optimization algorithm", "modified multiobjective optimized algorithms", "modified multiobjective optimizer algorithms"
"coarse learning evolution algorithm" » "coarse learning solution algorithm", "coarse learning evolutionary algorithm", "coarse learning convolution algorithms", "coarse learning convolution algorithm", "coarse learning emotion algorithm", "coarse graining evolution algorithm"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coarse learning evolution algorithm") or ("modified multiobjective optimized algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("coarse learning evolution algorithm") OR ("modified multiobjective optimized algorithm")).
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