Perhaps you should try some spelling variations:
"binary images based optimization algorithm" » "binary states based optimization algorithm" (Expand Search)
"binary system based optimization algorithm" » "binary systems based optimization algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("binary images based optimization algorithm") OR ("binary system based optimization algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary images based optimization algorithm\") OR (\"binary system based optimization algorithm\"))*".
• Removing quotes may allow a broader search: (( binary images based optimization algorithm ) OR ( binary system based optimization algorithm ))*.