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)
"elements five algorithms" » "elements four algorithms" (Expand Search), "elements forest algorithms" (Expand Search), "elements based algorithms" (Expand Search), "elements fe algorithms" (Expand Search), "element fbe algorithms" (Expand Search), "elements ices algorithms" (Expand Search)
"element tree algorithms" » "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element two algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "element ore algorithms" (Expand Search)

Try widening your search to All Fields.

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