Perhaps you should try some spelling variations:
"data modeling algorithm" » "data scheduling algorithm" (Expand Search), "data models algorithm" (Expand Search), "spatial modeling 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)
"data finding algorithm" » "data mining algorithm" (Expand Search), "data hiding 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 ((("data modeling algorithm") OR ("data finding algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element cnn algorithm\") OR (((\"data modeling algorithm\") OR (\"data finding algorithm\"))))".
• Removing quotes may allow a broader search: (( element cnn algorithm ) OR ((( data modeling algorithm ) OR ( data finding algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element cnn algorithm") OR ((("data modeling algorithm") OR ("data finding algorithm"))))*.