Perhaps you should try some spelling variations:
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)
"presented using algorithm" » "presented cosine algorithm" (Expand Search)
"element te algorithms" » "element _ algorithms" (Expand Search), "element rd algorithm" (Expand Search), "elementi per algorithms" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("element te algorithms") OR ((("presented using algorithm") OR ("level coding algorithm"))))~.
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• Removing quotes may allow a broader search: (( element te algorithms ) OR ((( presented using algorithm ) OR ( level coding algorithm )))).
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