Perhaps you should try some spelling variations:
"coder authentication and coverage problem" » "coffee authentication and coverage problem" (Expand search), "user authentication and coverage problem" (Expand search), "honey authentication and coverage problem" (Expand search), "coder authentication of coverage problem" (Expand search), "coder authenticity and coverage problem" (Expand search), "coder authentication and covering problem" (Expand search), "coder authentication and cover problem" (Expand search), "coder authentication and covering problems" (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 and coverage problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder authentication and coverage problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder authentication and coverage problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder authentication and coverage problem") OR ("api python python python programming"))*.