Perhaps you should try some spelling variations:
"coding coding decoding convex programming" » "coding coding decoding cone programming" (Expand search), "coding coding decoding computer programming" (Expand search), "coding encoding decoding convex programming" (Expand search), "coding reading decoding convex programming" (Expand search), "coding joint decoding convex programming" (Expand search), "coding coding decomposing convex programming" (Expand search), "coding coding encoding context programming" (Expand search), "coding using decoding convex programming" (Expand search), "coding canine decoding convex programming" (Expand search), "using coding decoding convex programming" (Expand search)
"python codigo python python programming" » "python coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo pythons python programming" (Expand search), "python codigo piton python programming" (Expand search), "python codigo 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 decoding convex programming") OR ("python codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding coding decoding convex programming\") OR (\"python codigo python python programming\"))*".
• Removing quotes may allow a broader search: (( coding coding decoding convex programming ) OR ( python codigo python python programming ))*.