Perhaps you should try some spelling variations:
"coder coder persistent ion programming" » "coder more persistent ion programming" (Expand search), "coder or persistent ion programming" (Expand search), "coder novel persistent ion programming" (Expand search), "coder coder persistent in programming" (Expand search), "coder coder persistent on programming" (Expand search), "coder coder persistent con programming" (Expand search), "coder coder persistent it programming" (Expand search), "coder coder persistent ige programming" (Expand search), "coder decoder persistent ion programming" (Expand search), "code code persistent ion programming" (Expand search), "decoder codec persistent ion programming" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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 persistent ion programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder persistent ion programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder persistent ion programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder persistent ion programming") OR ("in python python python programming"))*.