Perhaps you should try some spelling variations:
"primary data code optimization algorithm" » "primary data igdt optimization algorithm" (Expand Search), "primary data dog optimization algorithm" (Expand Search), "primary data spider optimization algorithm" (Expand Search)
"binary 1 based optimization algorithm" » "binary 41 based optimization algorithm" (Expand Search), "binary _ based optimization algorithm" (Expand Search), "binary 3 based optimization algorithm" (Expand Search)

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