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