Perhaps you should try some spelling variations:
"implement lectin algorithm" » "complement lectin algorithm" (Expand Search), "implement routine algorithm" (Expand Search), "implement selection algorithm" (Expand Search), "implement location algorithm" (Expand Search), "implement leiden algorithm" (Expand Search)
"elements custom algorithm" » "elements fusion algorithm" (Expand Search), "elements control algorithm" (Expand Search), "elements lasso algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level modeling algorithm" (Expand Search), "level finding algorithm" (Expand Search), "level according algorithm" (Expand Search), "level using algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("implement lectin algorithm") OR ("elements custom algorithm"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"implement lectin algorithm\") OR (\"elements custom algorithm\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( implement lectin algorithm ) OR ( elements custom algorithm ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("implement lectin algorithm") OR ("elements custom algorithm"))) OR ("level coding algorithm"))*.