Perhaps you should try some spelling variations:
"coder coder groupe convex programming" » "coder coder groupe cone programming" (Expand search), "coder coder groupe computer programming" (Expand search), "coder cover groups convex programming" (Expand search), "coder power groups convex programming" (Expand search), "coder power group convex programming" (Expand search), "coder decoder groupe convex programming" (Expand search), "code code groupe convex programming" (Expand search), "decoder codec groupe convex programming" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 coder groupe convex programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder groupe convex programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder groupe convex programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder groupe convex programming") OR ("in python python python programming"))*.