Perhaps you should try some spelling variations:
"element forest algorithm" » "element firefly algorithm" (Expand Search), "elements forest algorithm" (Expand Search)
"image scheduling algorithm" » "task scheduling algorithm" (Expand Search)
"element two algorithms" » "element _ algorithms" (Expand Search), "elements two algorithms" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("element two algorithms") OR ("element forest algorithm"))) OR ("image scheduling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element two algorithms\") OR (\"element forest algorithm\"))) OR (\"image scheduling algorithm\"))".
• Removing quotes may allow a broader search: (((( element two algorithms ) OR ( element forest algorithm ))) OR ( image scheduling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element two algorithms") OR ("element forest algorithm"))) OR ("image scheduling algorithm"))*.