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