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)
"present data algorithms" » "present art algorithms" (Expand Search), "present all algorithms" (Expand Search), "present both algorithms" (Expand Search), "presence data algorithms" (Expand Search), "present day algorithms" (Expand Search), "recent data algorithms" (Expand Search)
"elements tide algorithm" » "elements td3 algorithm" (Expand Search), "elements leiden algorithm" (Expand Search), "elements five algorithms" (Expand Search), "elements tended algorithm" (Expand Search), "elements under algorithm" (Expand Search), "element te algorithm" (Expand Search)

Try widening your search to All Fields.

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