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 coding coding tobit model" » "coder coding decoding tobit model" (Expand search), "coder coding using tobit model" (Expand search), "coder coding canine tobit model" (Expand search), "modern coding coding tobit model" (Expand search), "color coding coding tobit model" (Expand search), "odor coding coding tobit model" (Expand search), "coder coding coding to model" (Expand search), "coder coding coding tools model" (Expand search), "coder coding codina bobia model" (Expand search), "coder coding coding probit model" (Expand search), "coder coding coding logit model" (Expand search), "coder coding coding rabbit model" (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 coding coding tobit model") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding coding tobit model\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding coding tobit model ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding coding tobit model") OR ("api python python python programming"))*.