Perhaps you should try some spelling variations:
"data processing algorithm" » "data processing algorithms" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"based motion algorithm" » "based auction algorithm" (Expand Search), "based control algorithm" (Expand Search), "based colony algorithm" (Expand Search), "based method 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 method algorithm") OR ((("data processing algorithm") OR ("based motion algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element method algorithm\") OR (((\"data processing algorithm\") OR (\"based motion algorithm\"))))".
• Removing quotes may allow a broader search: (( element method algorithm ) OR ((( data processing algorithm ) OR ( based motion algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element method algorithm") OR ((("data processing algorithm") OR ("based motion algorithm"))))*.