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