Perhaps you should try some spelling variations:
"light processing algorithm" » "signal processing algorithm" (Expand Search), "post processing algorithm" (Expand Search), "time processing algorithm" (Expand Search)
"element forest algorithm" » "element ore algorithm" (Expand Search)
"element novel algorithm" » "element model algorithm" (Expand Search), "present novel algorithm" (Expand Search), "elements over algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("light processing algorithm") OR ((("element novel algorithm") OR ("element forest algorithm"))))~.
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• Removing quotes may allow a broader search: (( light processing algorithm ) OR ((( element novel algorithm ) OR ( element forest algorithm )))).
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