Perhaps you should try some spelling variations:
"elements method algorithm" » "elements network algorithm" (Expand Search), "elements means algorithm" (Expand Search), "elements mean algorithm" (Expand Search), "element method algorithm" (Expand Search)
"current source algorithm" » "current search algorithm" (Expand Search), "current four algorithms" (Expand Search), "current cosine algorithm" (Expand Search), "nutrient source algorithm" (Expand Search), "nutrient sources algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)

Try widening your search to All Fields.

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