Perhaps you should try some spelling variations:
"coder coding and authentication problem" » "coder coding and authentication protocol" (Expand search), "coder coding and authentication system" (Expand search), "coder coding and authentication code" (Expand search), "coder coding user authentication problem" (Expand search), "coder coding and authenticity problem" (Expand search), "coder coding and authorization problem" (Expand search), "modern coding and authentication problem" (Expand search), "color coding and authentication problem" (Expand search), "odor coding and authentication problem" (Expand search), "coder coding rna authentication 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 coding and authentication problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and authentication problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding and authentication problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding and authentication problem") OR ("api python python python programming"))*.