Perhaps you should try some spelling variations:
"coder _ authentication algorithm using" » "coder _ segmentation algorithm using" (Expand search), "coder _ estimation algorithm using" (Expand search), "coder _ identification algorithm using" (Expand search), "coder _ authentication algorithm in" (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: (("coder _ authentication algorithm using") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder _ authentication algorithm using\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder _ authentication algorithm using ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder _ authentication algorithm using") OR ("api python python python programming"))*.