Perhaps you should try some spelling variations:
"coder coder duration on programming" » "coder power duration on programming" (Expand search), "coder order duration on programming" (Expand search), "coder longer duration on programming" (Expand search), "coder coder duration in programming" (Expand search), "coder coder duration cone programming" (Expand search), "coder coder duration and programming" (Expand search), "coder decoder duration on programming" (Expand search), "code code duration on programming" (Expand search), "decoder codec duration on programming" (Expand search), "coder coder duration of programming" (Expand search)
"and python python python programming" » "and python python pythin programming" (Expand search), "and python python pythcone programming" (Expand search), "and python python pythand programming" (Expand search), "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api 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 duration on programming") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder duration on programming\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder duration on programming ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder duration on programming") OR ("and python python python programming"))*.