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