Perhaps you should try some spelling variations:
"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)
"coder coder using robust regression" » "coder decoder using robust regression" (Expand search), "code code using robust regression" (Expand search), "decoder codec using robust regression" (Expand search), "coder coders using robust regression" (Expand search), "coder cover using robust regression" (Expand search), "coder code using robust regression" (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 coder using robust regression") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using robust regression\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using robust regression ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using robust regression") OR ("api python python python programming"))*.