Perhaps you should try some spelling variations:
"final sample processing optimization algorithm" » "final image processing optimization algorithm" (Expand Search), "final melt processing optimization algorithm" (Expand Search)
"binary a robust optimization algorithm" » "binary rat robust optimization algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("binary a robust optimization algorithm") OR ("final sample processing optimization algorithm"))~.
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• Removing quotes may allow a broader search: (( binary a robust optimization algorithm ) OR ( final sample processing optimization algorithm ))*.