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