Perhaps you should try some spelling variations:
multiobjective estimation » multiobjective optimization
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
code control » mode control, case control, order control
a algorithm » _ algorithm, _ algorithms, adam algorithm
control a » control _, control law, control case

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified multiobjective estimation algorithms ) or ( code control a algorithm ))~.
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