Perhaps you should try some spelling variations:
"elements retinex algorithm" » "elements cosine algorithm" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling algorithm" (Expand Search)
"elements over algorithm" » "elements deer algorithm" (Expand Search), "elementi per algorithm" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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