Perhaps you should try some spelling variations:
"light processing algorithm" » "light modeling algorithm" (Expand Search), "light routing algorithm" (Expand Search), "light tracking algorithm" (Expand Search), "signal processing algorithm" (Expand Search), "time processing algorithm" (Expand Search)
"element forest algorithm" » "element ore algorithm" (Expand Search)
"elements res algorithm" » "elements best algorithm" (Expand Search), "elements rast algorithm" (Expand Search), "elements new algorithm" (Expand Search), "elements ree algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "elements ices 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: (((("element forest algorithm") OR ("elements res algorithm"))) OR ("light processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element forest algorithm\") OR (\"elements res algorithm\"))) OR (\"light processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element forest algorithm ) OR ( elements res algorithm ))) OR ( light processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element forest algorithm") OR ("elements res algorithm"))) OR ("light processing algorithm"))*.