Perhaps you should try some spelling variations:
"binary systems based optimization algorithm" » "binary system based optimization algorithm" (Expand Search)
"binary maps swarm optimization algorithm" » "binary mass swarm optimization algorithm" (Expand Search), "binary gaps swarm optimization algorithm" (Expand Search), "binary map swarm optimization algorithm" (Expand Search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary maps swarm optimization algorithm\") OR (\"binary systems based optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary maps swarm optimization algorithm ) OR ( binary systems based optimization algorithm ))~.
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