Perhaps you should try some spelling variations:
"complements fusion algorithm" » "complements auction algorithm" (Expand Search), "complements cosine algorithm" (Expand Search), "complement fusion algorithm" (Expand Search), "complemented fusion algorithm" (Expand Search), "implements fusion algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"element new algorithm" » "element deer algorithm" (Expand Search), "element rd algorithm" (Expand Search), "elementi per algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("element new algorithm") OR ("complements fusion algorithm"))) OR ("neural coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element new algorithm\") OR (\"complements fusion algorithm\"))) OR (\"neural coding algorithm\"))".
• Removing quotes may allow a broader search: (((( element new algorithm ) OR ( complements fusion algorithm ))) OR ( neural coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element new algorithm") OR ("complements fusion algorithm"))) OR ("neural coding algorithm"))*.