Perhaps you should try some spelling variations:
"coder coding _ authentication using" » "coder coding _ authentication in" (Expand search), "coder coding _ authentication and" (Expand search), "coder coding _ authentication of" (Expand search), "modern coding _ authentication using" (Expand search), "color coding _ authentication using" (Expand search), "odor coding _ authentication using" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ authentication using\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ authentication using ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ authentication using") OR ("api python python python programming"))*.