Perhaps you should try some spelling variations:
"implement routing algorithm" » "implement routine algorithm" (Expand Search), "implement modeling algorithm" (Expand Search), "implement finding algorithm" (Expand Search), "implement making algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"present each algorithm" » "present search algorithm" (Expand Search), "present means algorithm" (Expand Search), "present exafs algorithm" (Expand Search), "present research algorithm" (Expand Search), "present day algorithm" (Expand Search)

Try widening your search to All Fields.

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