Perhaps you should try some spelling variations:
"coder computational algorithms complexity metrics" » "coder computational algorithmic complexity metrics" (Expand search), "code computational algorithms complexity metrics" (Expand search), "poder computacional algorithms complexity metrics" (Expand search), "model computational algorithms complexity metrics" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (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: (("coder computational algorithms complexity metrics") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder computational algorithms complexity metrics\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder computational algorithms complexity metrics ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder computational algorithms complexity metrics") OR ("api python python python programming"))*.