Perhaps you should try some spelling variations:
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)
"complement ipca algorithm" » "complement jaya algorithm" (Expand Search), "implement ipca algorithm" (Expand Search), "complementary ipca algorithm" (Expand Search)
"element firefly algorithm" » "elements firefly algorithm" (Expand Search)

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