Perhaps you should try some spelling variations:
"coder authentication code complex problem" » "coffee authentication code complex problem" (Expand search), "user authentication code complex problem" (Expand search), "honey authentication code complex problem" (Expand search), "coder authentication of complex problem" (Expand search), "coder authentication and complex problem" (Expand search), "coder authentication on complex problem" (Expand search), "coder authentication code complex problems" (Expand search), "coder authentication core complex problem" (Expand search), "coder authentication encode complex problem" (Expand search), "coder authentication coffe complex problem" (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 authentication code complex problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder authentication code complex problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder authentication code complex problem ) OR ( api python python python programming ))*.