Perhaps you should try some spelling variations:
"coffee authentication on coding problems" » "content authentication on coding problems" (Expand search), "offline authentication on coding problems" (Expand search), "of authentication on coding problems" (Expand search), "coffee authentication of coding problems" (Expand search), "coffee authentication in coding problems" (Expand search), "coffee authentication and coding problems" (Expand search), "coffee authentication on loading problems" (Expand search), "coffee authentication on counting problems" (Expand search), "coffee authentication on covering problems" (Expand search), "coffee authentication non coding 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), "manim 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: (("coffee authentication on coding problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coffee authentication on coding problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coffee authentication on coding problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coffee authentication on coding problems") OR ("api python python python programming"))*.