Perhaps you should try some spelling variations:
"complement cascade algorithm" » "complement cscap algorithm" (Expand Search), "complement based algorithm" (Expand Search), "complement cosine algorithm" (Expand Search), "implement cascade algorithm" (Expand Search), "complementary cascade algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level modeling algorithm" (Expand Search), "level finding algorithm" (Expand Search), "level according algorithm" (Expand Search), "level using algorithm" (Expand Search)
"element multi algorithm" » "element multiple algorithms" (Expand Search), "element custom 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: (((("complement cascade algorithm") OR ("element multi algorithm"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"complement cascade algorithm\") OR (\"element multi algorithm\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( complement cascade algorithm ) OR ( element multi algorithm ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("complement cascade algorithm") OR ("element multi algorithm"))) OR ("level coding algorithm"))*.