Perhaps you should try some spelling variations:
"binary space bayesian optimization algorithm" » "binary space based optimization algorithm" (Expand Search), "binary image bayesian optimization algorithm" (Expand Search), "banach space bayesian optimization algorithm" (Expand Search)
"binary data _ optimization algorithm" » "primary data _ optimization algorithm" (Expand Search), "dietary data _ optimization algorithm" (Expand Search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary space bayesian optimization algorithm\") OR (\"binary data _ optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary space bayesian optimization algorithm ) OR ( binary data _ optimization algorithm ))~.
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