Perhaps you should try some spelling variations:
"complex custom algorithm" » "complex control algorithm" (Expand Search), "complex auction algorithm" (Expand Search), "complex cosine algorithm" (Expand Search)
"elements uce algorithm" » "elements deer algorithm" (Expand Search), "elements rd algorithm" (Expand Search), "elements _ algorithm" (Expand Search)
"neural colony algorithm" » "neural colon 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: (((("complex custom algorithm") OR ("elements uce algorithm"))) OR ("neural colony algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"complex custom algorithm\") OR (\"elements uce algorithm\"))) OR (\"neural colony algorithm\"))".
• Removing quotes may allow a broader search: (((( complex custom algorithm ) OR ( elements uce algorithm ))) OR ( neural colony algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("complex custom algorithm") OR ("elements uce algorithm"))) OR ("neural colony algorithm"))*.