Perhaps you should try some spelling variations:
"neural modeling algorithm" » "neural scheduling algorithm" (Expand Search)
"complement past algorithm" » "complement jaya algorithm" (Expand Search), "implement past algorithm" (Expand Search), "complementary past algorithm" (Expand Search)
"element tree algorithms" » "elements tree algorithms" (Expand Search), "element three algorithms" (Expand Search), "element free algorithms" (Expand Search)

Try widening your search to All Fields.

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