Perhaps you should try some spelling variations:
"coding and python convex programming" » "coding and python cone programming" (Expand search), "coding and python computer programming" (Expand search), "coding and python code programming" (Expand search), "coding rna python convex programming" (Expand search), "coding in python convex programming" (Expand search), "coding on python convex programming" (Expand search), "coding api python convex programming" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in 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: (("coding and python convex programming") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding and python convex programming\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( coding and python convex programming ) OR ( using python python python programming ))*.