Perhaps you should try some spelling variations:
"coder coder _ fragment programming" » "coder coder _ agent programming" (Expand search), "coder coder _ driven programming" (Expand search), "coder coder _ training programming" (Expand search), "coder decoder _ fragment programming" (Expand search), "code code _ fragment programming" (Expand search), "decoder codec _ fragment programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 _ fragment programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ fragment programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ fragment programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ fragment programming") OR ("on python python python programming"))*.