Perhaps you should try some spelling variations:
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search)
"element g algorithm" » "element _ algorithms" (Expand Search), "element rd algorithm" (Expand Search), "elements _ algorithm" (Expand Search), "clement k algorithm" (Expand Search)
"implementing routingnb algorithm" » "implemented routingnb algorithm" (Expand Search), "implementing routing 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 routingnb algorithm") OR ((("element data algorithm") OR ("element g algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"implementing routingnb algorithm\") OR (((\"element data algorithm\") OR (\"element g algorithm\"))))".
• Removing quotes may allow a broader search: (( implementing routingnb algorithm ) OR ((( element data algorithm ) OR ( element g algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("implementing routingnb algorithm") OR ((("element data algorithm") OR ("element g algorithm"))))*.