Perhaps you should try some spelling variations:
"modified objective convolution algorithmssss" » "modified objective convolution algorithms"
"modified learning emotion algorithm" » "mobile learning emotion algorithm", "modified caging emotion algorithm", "modified learning evolution algorithm", "modified learning estimation algorithm", "modified learning predation algorithm", "modified learning method algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified objective convolution algorithmssss") OR ("modified learning emotion algorithm")).
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