Perhaps you should try some spelling variations:
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"levels using algorithm" » "levels cosine algorithm" (Expand Search), "cells using algorithm" (Expand Search)
"complement past algorithm" » "complement jaya algorithm" (Expand Search), "implement past algorithm" (Expand Search), "complementary past 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 past algorithm") OR ("element method algorithm"))) OR ("levels using algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"complement past algorithm\") OR (\"element method algorithm\"))) OR (\"levels using algorithm\"))".
• Removing quotes may allow a broader search: (((( complement past algorithm ) OR ( element method algorithm ))) OR ( levels using algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("complement past algorithm") OR ("element method algorithm"))) OR ("levels using algorithm"))*.