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