Perhaps you should try some spelling variations:
"binary class phase optimization algorithm" » "binary class whale optimization algorithm" (Expand Search), "binary class based optimization algorithm" (Expand Search), "binary class path optimization algorithm" (Expand Search), "binary phases phase optimization algorithm" (Expand Search)
"binary css swarm optimization algorithm" » "binary css warm optimization algorithm" (Expand Search)

Try widening your search to All Fields.

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