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)
"levels after algorithms" » "levels art algorithms" (Expand Search), "levels four algorithms" (Expand Search), "levels other algorithms" (Expand Search), "cells after algorithms" (Expand Search), "events after algorithms" (Expand Search)
"movement data algorithm" » "movement data algorithms" (Expand Search), "movement update algorithm" (Expand Search), "movement atlas algorithm" (Expand Search)

Try widening your search to All Fields.

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