Perhaps you should try some spelling variations:
"binary pairs based optimization algorithm" » "binary pair based optimization algorithm" (Expand Search)
"binary same design optimization algorithm" » "binary some design optimization algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("binary pairs based optimization algorithm") OR ("binary same design optimization algorithm"))~.
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• Removing quotes may allow a broader search: (( binary pairs based optimization algorithm ) OR ( binary same design optimization algorithm ))*.