Perhaps you should try some spelling variations:
"improvements fusion algorithms" » "improvements using algorithms" (Expand Search), "improvements position algorithms" (Expand Search), "improvements also algorithms" (Expand Search), "improvements fusion algorithm" (Expand Search)
"data using algorithm" » "data using algorithms" (Expand Search), "data routing algorithm" (Expand Search), "data fusion algorithm" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("improvements fusion algorithms") OR ("element data algorithm"))) OR ("data using algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"improvements fusion algorithms\") OR (\"element data algorithm\"))) OR (\"data using algorithm\"))".
• Removing quotes may allow a broader search: (((( improvements fusion algorithms ) OR ( element data algorithm ))) OR ( data using algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("improvements fusion algorithms") OR ("element data algorithm"))) OR ("data using algorithm"))*.