Perhaps you should try some spelling variations:
"coding coding based convex programming" » "coding coding based cone programming" (Expand search), "coding coding based computer programming" (Expand search), "coding decoding based convex programming" (Expand search), "coding using based convex programming" (Expand search), "coding canine based convex programming" (Expand search), "coding coating based convex programming" (Expand search), "coding modeling based convex programming" (Expand search), "coding reading based convex programming" (Expand search), "coding coding based context programming" (Expand search), "coding coding based contexts programming" (Expand search), "coding coding based content programming" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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 coding based convex programming") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding coding based convex programming\") OR (\"python coding python python programming\"))".
• Removing quotes may allow a broader search: (( coding coding based convex programming ) OR ( python coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coding coding based convex programming") OR ("python coding python python programming"))*.