Perhaps you should try some spelling variations:
"linac based bayesian optimization algorithm" » "linac based based optimization algorithm" (Expand Search), "lina based bayesian optimization algorithm" (Expand Search)
"binary data driven optimization algorithm" » "binary data level optimization algorithm" (Expand Search), "binary data spider optimization algorithm" (Expand Search), "binary rat driven optimization algorithm" (Expand Search)

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