Perhaps you should try some spelling variations:
optimization algorithms » estimation algorithms, estimation algorithm, optimized algorithms
optimisation algorithm » estimation algorithm, estimation algorithms
market optimisation » market optimization
game optimization » stage optimization, qoe optimization, market optimization
modified market » modified male
modified game » modified male, modified adam

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified game optimization algorithms ) or ( modified market optimisation algorithm ))~.
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