Perhaps you should try some spelling variations:
"modified make optimization algorithmssssss" » "modified make optimisation algorithm", "modified make optimisation algorithmsssss", "modified make estimation algorithmssssss", "modified make estimation algorithmsssss", "modified market optimization algorithmssssss", "modified game optimization algorithmssssss", "modified stage optimization algorithmssssss", "modified male optimization algorithmssssss"
"modified objective optimization algorithms" » "modified objective optimisation algorithm", "modified objective estimation algorithms", "modified objective estimation algorithm", "modified multiobjective optimization algorithms"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified objective optimization algorithms") OR ("modified make optimization algorithmssssss"))~.
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