Perhaps you should try some spelling variations:
"present routing algorithm" » "present modeling algorithm" (Expand Search), "present finding algorithm" (Expand Search), "present making algorithm" (Expand Search), "present during algorithm" (Expand Search), "present solution algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural modeling algorithm" (Expand Search), "neural finding algorithm" (Expand Search)
"elements de algorithms" » "elements mdem algorithms" (Expand Search), "elements ml algorithms" (Expand Search), "elements _ algorithms" (Expand Search), "elements fe algorithms" (Expand Search), "elements ree algorithms" (Expand Search), "elements res algorithms" (Expand Search)

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