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