Perhaps you should try some spelling variations:
"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)
"relevant update algorithm" » "relevant updated algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"relevant update algorithm\") OR (\"level using algorithms\"))) OR (\"neural coding algorithm\"))~".
• Removing quotes may allow a broader search: (((( relevant update algorithm ) OR ( level using algorithms ))) OR ( neural coding algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("relevant update algorithm") OR ("level using algorithms"))) OR ("neural coding algorithm"))*.