Perhaps you should try some spelling variations:
"experiments search algorithm" » "experiments approach algorithm" (Expand Search)
"level using algorithms" » "level cosine algorithm" (Expand Search), "level fusion algorithms" (Expand Search)
"neural coding algorithm" » "neural cosine algorithm" (Expand Search), "neural colony algorithm" (Expand Search), "neural scheduling 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: (((("level using algorithms") OR ("experiments search algorithm"))) OR ("neural coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"level using algorithms\") OR (\"experiments search algorithm\"))) OR (\"neural coding algorithm\"))".
• Removing quotes may allow a broader search: (((( level using algorithms ) OR ( experiments search algorithm ))) OR ( neural coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("level using algorithms") OR ("experiments search algorithm"))) OR ("neural coding algorithm"))*.