Perhaps you should try some spelling variations:
"linac camera policy optimization algorithm" » "linac camera capacity optimization algorithm" (Expand Search)
"binary base based optimization algorithm" » "binary case cased optimization algorithm" (Expand Search)

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