Perhaps you should try some spelling variations:
"modified invasive estimation algorithmssss" » "modified invasive estimation algorithm", "modified invasive estimation algorithmsss", "modified invasive optimization algorithmssss", "modified invasive optimisation algorithmsss", "modified invasive ventilation algorithmssss", "modified passive estimation algorithmssss"
"modified allocation estimation algorithms" » "modified allocation optimization algorithms", "modified motion estimation algorithms", "modified allocation estimation algorithm", "modified allocation optimisation algorithm"

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