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

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