Perhaps you should try some spelling variations:
"modified pose optimization algorithms" » "modified pose estimation algorithms", "modified pose estimation algorithm", "modified pose optimized algorithms", "modified qoe optimization algorithms", "modified game optimization algorithms", "modified response optimization algorithms", "modified male optimization algorithms", "modified passive optimization algorithms"
"modified invasive optimisation algorithm" » "modified invasive estimation algorithm", "modified invasive estimation algorithms", "modified passive optimisation algorithm"

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