Perhaps you should try some spelling variations:
"implement fusion algorithm" » "implement auction algorithm" (Expand Search), "implement cosine algorithm" (Expand Search), "implemented fusion algorithm" (Expand Search), "implementing fusion algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"element te algorithms" » "element _ algorithms" (Expand Search), "element rd algorithm" (Expand Search), "elementi per algorithms" (Expand Search)

Try widening your search to All Fields.

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