Perhaps you should try some spelling variations:
"kant colony optimization algorithm" » "kant colon optimization algorithm" (Expand Search), "kant colony optimizacion algorithm" (Expand Search), "kant colony optimization algoritmo" (Expand Search), "kante colony optimization algorithm" (Expand Search), "kanti colony optimization algorithm" (Expand Search), "kwant colony optimization algorithm" (Expand Search)
"ant colony optimisation algorithm" » "ant colon optimisation algorithm" (Expand Search), "ant colony optimisation algoritmo" (Expand Search), "ante colony optimisation algorithm" (Expand Search), "anti colony optimisation algorithm" (Expand Search), "want colony optimisation algorithm" (Expand Search), "ant colony optimizacion algorithm" (Expand Search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"kant colony optimization algorithm\") OR (\"ant colony optimisation algorithm\"))~".
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