Perhaps you should try some spelling variations:
"implementing routing algorithm" » "implementing iot algorithm" (Expand Search), "implementing cosine algorithm" (Expand Search)
"element data algorithms" » "element jaya algorithm" (Expand Search), "elements data algorithms" (Expand Search)
"data using algorithm" » "data cosine algorithm" (Expand Search)

Try widening your search to All Fields.

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