Perhaps you should try some spelling variations:
"effect modeling algorithm" » "effect scheduling algorithm" (Expand Search), "event modeling algorithm" (Expand Search)
"levels using algorithm" » "levels cosine algorithm" (Expand Search), "cells using algorithm" (Expand Search)
"settlement data algorithm" » "settlement jaya algorithm" (Expand Search), "settlement deer algorithm" (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: (("settlement data algorithm") OR ((("effect modeling algorithm") OR ("levels using algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"settlement data algorithm\") OR (((\"effect modeling algorithm\") OR (\"levels using algorithm\"))))".
• Removing quotes may allow a broader search: (( settlement data algorithm ) OR ((( effect modeling algorithm ) OR ( levels using algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("settlement data algorithm") OR ((("effect modeling algorithm") OR ("levels using algorithm"))))*.