Perhaps you should try some spelling variations:
"coder coder inventing convex programming" » "coder coder inventing cone programming" (Expand search), "coder coder inventing computer programming" (Expand search), "coder coder inventing women programming" (Expand search), "coder mode reinventing convex programming" (Expand search), "coder copi inventing convex programming" (Expand search), "coder poder inventivo convex programming" (Expand search), "coder decoder inventing convex programming" (Expand search), "code code inventing convex programming" (Expand search), "decoder codec inventing 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 inventing convex programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder inventing convex programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder inventing convex programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder inventing convex programming") OR ("on python python python programming"))*.