Perhaps you should try some spelling variations:
"implement learner algorithm" » "implement learning algorithms" (Expand Search), "implement search algorithm" (Expand Search), "implement deer algorithm" (Expand Search)
"settlement data algorithm" » "settlement jaya algorithm" (Expand Search), "settlement deer algorithm" (Expand Search)
"element rf algorithm" » "element rd algorithm" (Expand Search), "element _ algorithms" (Expand Search), "elements rf 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 ("element rf algorithm"))) OR ("implement learner algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"settlement data algorithm\") OR (\"element rf algorithm\"))) OR (\"implement learner algorithm\"))".
• Removing quotes may allow a broader search: (((( settlement data algorithm ) OR ( element rf algorithm ))) OR ( implement learner algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("settlement data algorithm") OR ("element rf algorithm"))) OR ("implement learner algorithm"))*.