Perhaps you should try some spelling variations:
"waste processing algorithm" » "data processing algorithm" (Expand Search), "image processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element de algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (Expand Search), "present data algorithms" (Expand Search)
"rna processing algorithm" » "data processing algorithm" (Expand Search), "signal processing algorithm" (Expand Search), "image processing algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element data algorithms") OR ((("rna processing algorithm") OR ("waste processing algorithm"))))~.
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• Removing quotes may allow a broader search: (( element data algorithms ) OR ((( rna processing algorithm ) OR ( waste processing algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element data algorithms") OR ((("rna processing algorithm") OR ("waste processing algorithm"))))*.