Perhaps you should try some spelling variations:
"complement coa algorithm" » "complement jaya algorithm" (Expand Search), "complement rd algorithm" (Expand Search), "complement cosine algorithm" (Expand Search), "implement coa algorithm" (Expand Search), "complementary coa algorithm" (Expand Search)
"element group algorithms" » "elements group algorithms" (Expand Search)
"neural colony algorithm" » "neural colon algorithm" (Expand Search)

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