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

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified allocation estimation algorithm ) or ( modified game optimization algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified allocation estimation algorithm ) OR ( modified game optimization algorithm )).
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