Perhaps you should try some spelling variations:
"coder coder reasoning about program" » "coder order reasoning about program" (Expand search), "coder models reasoning about program" (Expand search), "coder or reasoning about program" (Expand search), "coder coder learning about program" (Expand search), "coder coder reasoning about programa" (Expand search), "coder coder reasoning layout program" (Expand search), "coder coder reasoning about progress" (Expand search), "coder decoder reasoning about program" (Expand search), "code code reasoning about program" (Expand search), "decoder codec reasoning about program" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 reasoning about program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder reasoning about program\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder reasoning about program ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder reasoning about program") OR ("_ python python python programming"))*.