Perhaps you should try some spelling variations:
"modified pose optimisation algorithm" » "modified pose optimization algorithms", "modified pose estimation algorithm", "modified pose estimation algorithms", "modified qoe optimization algorithm", "modified _ optimisation algorithm", "modified male optimisation algorithm", "modified passive optimisation algorithm"
"modified changing optimized algorithm" » "modified changing optimized algorithms", "modified changing optimizer algorithms", "modified choosing optimizer algorithm", "modified caging optimized algorithm"

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