Perhaps you should try some spelling variations:
"implement modeling algorithm" » "element modeling algorithm" (Expand Search), "element modelling algorithm" (Expand Search), "implement making algorithm" (Expand Search)
"element ipca algorithm" » "element wgcna algorithm" (Expand Search), "element cscap algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element data algorithm" (Expand Search)
"element rl algorithm" » "element rl algorithms" (Expand Search), "element rf algorithm" (Expand Search), "element ml algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element _ 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: (((("element rl algorithm") OR ("element ipca algorithm"))) OR ("implement modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element rl algorithm\") OR (\"element ipca algorithm\"))) OR (\"implement modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( element rl algorithm ) OR ( element ipca algorithm ))) OR ( implement modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element rl algorithm") OR ("element ipca algorithm"))) OR ("implement modeling algorithm"))*.