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