Perhaps you should try some spelling variations:
"coder modelos tobit python problem" » "poder modelos tobit python problem" (Expand search), "lider modelos tobit python problem" (Expand search), "coda modelos tobit python problem" (Expand search), "coder modelo tobit python problem" (Expand search), "coder modelos probit python problem" (Expand search), "coder modelo probit python problem" (Expand search), "coder modelos tool python problem" (Expand search), "coder modelos logic python problem" (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 modelos tobit python problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder modelos tobit python problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder modelos tobit python problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder modelos tobit python problem") OR ("api python python python programming"))*.