Perhaps you should try some spelling variations:
multiobjective optimisation » multiobjective optimization, objective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
destination algorithm » estimation algorithm, estimation algorithms
a destination » _ estimation
modified a » modified _, modified df, modified adam

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified a destination algorithm ) OR ( modified multiobjective optimisation algorithm ))~.
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