Perhaps you should try some spelling variations:
"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), "elements multi algorithm" (Expand Search)
"experimental data algorithms" » "experimental art algorithms" (Expand Search), "experimental all algorithms" (Expand Search), "experimental both algorithms" (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: (((("element multi algorithm") OR ("experimental data algorithms"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element multi algorithm\") OR (\"experimental data algorithms\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( element multi algorithm ) OR ( experimental data algorithms ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element multi algorithm") OR ("experimental data algorithms"))) OR ("level coding algorithm"))*.