Perhaps you should try some spelling variations:
"data processing algorithm" » "data modeling algorithm" (Expand Search), "data routing algorithm" (Expand Search), "data tracking algorithm" (Expand Search), "image processing algorithm" (Expand Search)
"element tree algorithmss" » "element tree algorithms" (Expand Search), "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element ree algorithmss" (Expand Search), "element te algorithmss" (Expand Search), "element ore algorithmss" (Expand Search)
"elements novel algorithm" » "elements forest algorithm" (Expand Search), "elements over algorithm" (Expand Search), "element model algorithm" (Expand Search), "elements involved 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 tree algorithmss") OR ("elements novel algorithm"))) OR ("data processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element tree algorithmss\") OR (\"elements novel algorithm\"))) OR (\"data processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element tree algorithmss ) OR ( elements novel algorithm ))) OR ( data processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element tree algorithmss") OR ("elements novel algorithm"))) OR ("data processing algorithm"))*.