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