Perhaps you should try some spelling variations:
"coder and complexity in pattern" » "coder and complexity and pattern" (Expand search), "coder and complexity on pattern" (Expand search), "code and complexity in pattern" (Expand search), "codes and complexity in pattern" (Expand search), "poder and complexity in pattern" (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 and complexity in pattern") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and complexity in pattern\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder and complexity in pattern ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder and complexity in pattern") OR ("api python python python programming"))*.