Perhaps you should try some spelling variations:
"coder coder practice discrete programming" » "coder coder practice distributed programming" (Expand search), "coder coder practice extreme programming" (Expand search), "coder coder practice scratch programming" (Expand search), "coder coder lattice discrete programming" (Expand search), "coder coder practice discursive programming" (Expand search), "coder coder practice discourse programming" (Expand search), "coder code practices discrete programming" (Expand search), "coder power practice discrete programming" (Expand search), "coder tower practice discrete programming" (Expand search), "coder decoder practice discrete programming" (Expand search), "code code practice discrete programming" (Expand search), "decoder codec practice discrete 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 practice discrete programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder practice discrete programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder practice discrete programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder practice discrete programming") OR ("on python python python programming"))*.