Perhaps you should try some spelling variations:
"present study algorithm" » "present wsindy algorithm" (Expand Search), "present td3 algorithm" (Expand Search), "present seu algorithm" (Expand Search)
"element cscap algorithm" » "element cc3d algorithm" (Expand Search), "element ipca algorithm" (Expand Search), "element custom algorithm" (Expand Search)
"data using algorithm" » "data using algorithms" (Expand Search), "data routing algorithm" (Expand Search), "data fusion 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 study algorithm") OR ("element cscap algorithm"))) OR ("data using algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"present study algorithm\") OR (\"element cscap algorithm\"))) OR (\"data using algorithm\"))".
• Removing quotes may allow a broader search: (((( present study algorithm ) OR ( element cscap algorithm ))) OR ( data using algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("present study algorithm") OR ("element cscap algorithm"))) OR ("data using algorithm"))*.