Perhaps you should try some spelling variations:
"effect modeling algorithm" » "effect scheduling algorithm" (Expand Search), "event modeling algorithm" (Expand Search)
"levels using algorithms" » "levels cosine algorithm" (Expand Search), "cells using algorithms" (Expand Search)
"element data algorithms" » "element jaya algorithm" (Expand Search), "elements data algorithms" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("element data algorithms") OR ((("levels using algorithms") OR ("effect modeling algorithm"))))~.
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• Removing quotes may allow a broader search: (( element data algorithms ) OR ((( levels using algorithms ) OR ( effect modeling algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element data algorithms") OR ((("levels using algorithms") OR ("effect modeling algorithm"))))*.