Perhaps you should try some spelling variations:
"coder coder persistence c programming" » "coder index persistence c programming" (Expand search), "coder disorder persistence c programming" (Expand search), "coder moderate persistence c programming" (Expand search), "coder coder persistence _ programming" (Expand search), "coder coder persistence 6 programming" (Expand search), "coder coder persistence lct programming" (Expand search), "coder coder persistence cone programming" (Expand search), "coder coder persistence and programming" (Expand search), "coder decoder persistence c programming" (Expand search), "code code persistence c programming" (Expand search), "decoder codec persistence c programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 persistence c programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder persistence c programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder persistence c programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder persistence c programming") OR ("_ python python python programming"))*.