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)
"fold processing algorithm" » "fold modeling algorithm" (Expand Search), "fold routing algorithm" (Expand Search), "fold tracking algorithm" (Expand Search), "food processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "post processing algorithm" (Expand Search)
"element ii algorithm" » "element _ algorithm" (Expand Search), "element _ algorithms" (Expand Search), "element g 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: (("element ii algorithm") OR ((("data processing algorithm") OR ("fold processing algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element ii algorithm\") OR (((\"data processing algorithm\") OR (\"fold processing algorithm\"))))".
• Removing quotes may allow a broader search: (( element ii algorithm ) OR ((( data processing algorithm ) OR ( fold processing algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element ii algorithm") OR ((("data processing algorithm") OR ("fold processing algorithm"))))*.