Perhaps you should try some spelling variations:
"binary task column optimization algorithm" » "binary task policy optimization algorithm" (Expand Search), "binary task chimp optimization algorithm" (Expand Search)
"binary based joint optimization algorithm" » "binary based policy optimization algorithm" (Expand Search), "binary based igdt optimization algorithm" (Expand Search), "binary based chimp optimization algorithm" (Expand Search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary based joint optimization algorithm\") OR (\"binary task column optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary based joint optimization algorithm ) OR ( binary task column optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("binary based joint optimization algorithm") OR ("binary task column optimization algorithm"))*.