Perhaps you should try some spelling variations:
"modern coding problems convex programming" » "modern coding problems cone programming" (Expand search), "modern coding problems computer programming" (Expand search), "modern loading problems convex programming" (Expand search), "modern counting problems convex programming" (Expand search), "modern covering problems convex programming" (Expand search), "modern coding problemas convexos programming" (Expand search), "modern coding problems complex programming" (Expand search), "modern coding problems canvas programming" (Expand search), "modern housing problems convex programming" (Expand search), "modern code problems convex programming" (Expand search), "modern china problems convex programming" (Expand search)
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modern coding problems convex programming\") OR (\"and python python python programming\"))~".
• Removing quotes may allow a broader search: (( modern coding problems convex programming ) OR ( and python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("modern coding problems convex programming") OR ("and python python python programming"))*.