Perhaps you should try some spelling variations:
"element mapping algorithm" » "element sampling algorithm" (Expand Search), "element matching algorithm" (Expand Search), "element mining algorithm" (Expand Search), "elemental mapping algorithm" (Expand Search), "element modeling algorithm" (Expand Search)
"sediment means algorithm" » "sediment search algorithm" (Expand Search), "sediment gas algorithm" (Expand Search), "sediment metrics algorithm" (Expand Search)
"sediment edna algorithm" » "sediment fedsam algorithm" (Expand Search), "sediment wgcna algorithm" (Expand Search), "sediment apdca algorithm" (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: (((("sediment means algorithm") OR ("sediment edna algorithm"))) OR ("element mapping algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sediment means algorithm\") OR (\"sediment edna algorithm\"))) OR (\"element mapping algorithm\"))".
• Removing quotes may allow a broader search: (((( sediment means algorithm ) OR ( sediment edna algorithm ))) OR ( element mapping algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("sediment means algorithm") OR ("sediment edna algorithm"))) OR ("element mapping algorithm"))*.