Perhaps you should try some spelling variations:
"coder coder discrete event programming" » "coder coder discrete agent programming" (Expand search), "coder coder discrete element programming" (Expand search), "coder coder discrete set programming" (Expand search), "coder order discrete event programming" (Expand search), "coder over discrete event programming" (Expand search), "coder under discrete event programming" (Expand search), "coder decoder discrete event programming" (Expand search), "code code discrete event programming" (Expand search), "decoder codec discrete event 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 discrete event programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder discrete event programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder discrete event programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder discrete event programming") OR ("on python python python programming"))*.