Perhaps you should try some spelling variations:
"forest modeling algorithm" » "forest making algorithm" (Expand Search), "forest model algorithm" (Expand Search), "forest models algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search)
"elements em algorithm" » "elements new algorithm" (Expand Search), "elements _ algorithm" (Expand Search), "elements ii algorithm" (Expand Search), "elements ppm algorithm" (Expand Search), "elements ree algorithm" (Expand Search), "elements res 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: (((("elements em algorithm") OR ("element method algorithm"))) OR ("forest modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements em algorithm\") OR (\"element method algorithm\"))) OR (\"forest modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( elements em algorithm ) OR ( element method algorithm ))) OR ( forest modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements em algorithm") OR ("element method algorithm"))) OR ("forest modeling algorithm"))*.