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