Perhaps you should try some spelling variations:
"binary risk based optimization algorithm" » "binary risk whale optimization algorithm" (Expand Search), "primary risk based optimization algorithm" (Expand Search), "dietary risk based optimization algorithm" (Expand Search)
"binary base _ optimization algorithm" » "binary mask _ optimization algorithm" (Expand Search), "ciliary base _ optimization algorithm" (Expand Search), "binary image _ optimization algorithm" (Expand Search)

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