Perhaps you should try some spelling variations:
"ant scheduling optimization algorithm" » "ant cooling optimization algorithm" (Expand Search), "task scheduling optimization algorithm" (Expand Search), "_ scheduling optimization algorithm" (Expand Search)
"a colon optimisation algorithm" » "a colony optimisation algorithm" (Expand Search), "a colony optimization algorithm" (Expand Search), "a wolf optimisation algorithm" (Expand Search), "de colon optimisation algorithm" (Expand Search), "a common optimisation algorithm" (Expand Search), "el colon optimisation algorithm" (Expand Search)

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