Perhaps you should try some spelling variations:
"modified multiobjective optimisation algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithm", "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective estimation algorithms"
"powder using real algorithm" » "powder using adam algorithm", "powder using search algorithm", "code using real algorithm", "boiler using real algorithm", "model using real algorithm", "powder using metal algorithm", "powder using raw algorithm"

Try widening your search to All Fields.

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