Perhaps you should try some spelling variations:
"client modeling algorithm" » "client making algorithm" (Expand Search), "element modeling algorithm" (Expand Search), "climate modeling algorithm" (Expand Search), "current modeling algorithm" (Expand Search)
"element mining algorithm" » "element finding algorithm" (Expand Search), "element making algorithm" (Expand Search), "element training algorithms" (Expand Search), "element mapping algorithm" (Expand Search), "element bonding algorithm" (Expand Search), "element modeling algorithm" (Expand Search)
"element cnn algorithm" » "element mean algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search)

Try widening your search to All Fields.

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