Perhaps you should try some spelling variations:
"coder coder aggregation convex programming" » "coder coder aggregation index programming" (Expand search), "coder coder aggregation changes programming" (Expand search), "coder coder aggregation on programming" (Expand search), "coder coder aggregation cone programming" (Expand search), "coder coder aggregation computer programming" (Expand search), "coder model aggregation convex programming" (Expand search), "coder cancer aggregation convex programming" (Expand search), "coder co aggregation convex programming" (Expand search), "coder decoder aggregation convex programming" (Expand search), "code code aggregation convex programming" (Expand search), "decoder codec aggregation convex programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 aggregation convex programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder aggregation convex programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder aggregation convex programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder aggregation convex programming") OR ("on python python python programming"))*.